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1.
Graefes Arch Clin Exp Ophthalmol ; 262(4): 1281-1288, 2024 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-37910180

RESUMEN

BACKGROUND: To evaluate the efficacy of topical ivermectin 1% ointment, for the treatment of Demodex blepharitis. METHODS: A retrospective study was designed to review electronic medical records of patients seen between January 2017 and December 2022, who had a diagnosis of Demodex blepharitis, treated with topical ivermectin 1% with at least 6 months of follow-up (Centro de Ojos Quilmes, Buenos Aires, Argentina). The presence of collarettes was graded from 0 to 4. An imaging system (Keratograph) was used, to evaluate tear meniscus height (TMH), non-invasive tear break-up time (NIKBUT), and degree of conjunctival redness. In addition, the ocular surface disease index (OSDI) test was performed. Results were compared before and after ivermectin treatment, which was performed once a day for 2 months. RESULTS: A total of 2157 patients (4314 eyes) were included. The mean age was 50.43 ± 15.3 years, and the follow-up time was 26.1 ± 8.5 months. No one discontinued treatment due to intolerance, although 14 cases (0.6 %) reported occasional discomfort. The grade of collarettes decreased with statistical significance, from 3.37 ± 0.7 to 0.1 ± 0.3 (p < 0.01), as well as conjunctival redness from 1.32 ± 0.3 to 0.94 ± 0.4 (p < 0.01) and OSDI score from 58.74 ± 17.9 to 17.1 ± 10.5 (p = 0.02). TMH and NIKBUT improved without statistical difference. CONCLUSION: Treatment with ivermectin 1% topical ointment, once daily for 2 months, was effective in reducing the presence of collarettes and in improving symptoms in patients with Demodex blepharitis.


Asunto(s)
Blefaritis , Infestaciones por Ácaros , Humanos , Adulto , Persona de Mediana Edad , Anciano , Ivermectina , Estudios Retrospectivos , Blefaritis/diagnóstico , Blefaritis/tratamiento farmacológico , Infestaciones por Ácaros/diagnóstico , Infestaciones por Ácaros/tratamiento farmacológico , Pomadas
2.
BMC Ophthalmol ; 24(1): 162, 2024 Apr 12.
Artículo en Inglés | MEDLINE | ID: mdl-38609860

RESUMEN

BACKGROUND: Temozolomide (TMZ) is an effective oral alkylating agent used in treating glioblastoma multiforme (GBM) and high-grade gliomas. It works by introducing methyl groups into DNA, inhibiting cell division. A case of blepharoconjunctivitis linked to the administration of TMZ is detailed in this report. CASE PRESENTATION: We present a case of a 58-year-old African-American man diagnosed with GBM. Following adjuvant TMZ treatment, he developed blepharoconjunctivitis, characterized by eyelid and conjunctival inflammation. Symptoms included eyelid swelling, crusting, and conjunctival discharge, which were promptly resolved with topical steroid cream and eye drops. CONCLUSIONS: Reports specifically linking TMZ to blepharoconjunctivitis are limited. The exact mechanism remains unclear but may involve inflammation extending from blepharitis to the conjunctiva. Healthcare providers must recognize and manage ophthalmic complications promptly. This case report highlights blepharoconjunctivitis associated with TMZ use in a GBM patient. While TMZ is an effective treatment, ophthalmic side effects can occur.


Asunto(s)
Conjuntivitis , Masculino , Humanos , Persona de Mediana Edad , Temozolomida/efectos adversos , Conjuntiva , Inflamación , Párpados
3.
Lasers Med Sci ; 39(1): 111, 2024 Apr 24.
Artículo en Inglés | MEDLINE | ID: mdl-38656565

RESUMEN

Intense pulsed light (IPL) is a non-laser, high-intensity light source that has been shown to play a valuable role in dermatology and has been adopted in ophthalmology for treating meibomian gland dysfunction (MGD). In this review, we discuss the mechanism of action of IPL, including its benefits in ophthalmology. IPL therapy has been shown to improve tear film stability, meibomian gland (MG) function, and subjective symptoms of ocular dryness in MGD patients. Moreover, emerging evidence suggests that IPL therapy is beneficial for other ocular surface diseases, such as blepharitis and chalazia. Hence, it can be inferred that IPL has potential as a therapeutic modality in future applications. Large clinical and experimental trials are needed to exploit the full potential of IPL as a treatment for recurrent chalazia, Sjögren's syndrome, and other causes of dry eye disease (DED). This paper reviews the published literature related to the application of IPL for treating ocular surface diseases.


Asunto(s)
Síndromes de Ojo Seco , Tratamiento de Luz Pulsada Intensa , Disfunción de la Glándula de Meibomio , Humanos , Tratamiento de Luz Pulsada Intensa/métodos , Síndromes de Ojo Seco/terapia , Disfunción de la Glándula de Meibomio/terapia , Blefaritis/terapia , Glándulas Tarsales
4.
Rev Argent Microbiol ; 56(1): 74-78, 2024.
Artículo en Inglés | MEDLINE | ID: mdl-37541821

RESUMEN

Blepharitis is a very common disease in ophthalmology, dermatology and allergy practice. It generally follows a chronic course and is frequently associated with objective and/or subjective symptoms such as epiphora, red eye, dandruff, gritty sensation, itching, burning, photophobia, and blurred vision. The purpose of this study is to analyze the prevalence of Demodex spp. in patients with symptoms of chronic blepharitis. An analytical cross-sectional study was conducted in the period between 2016 and 2020. All patients with symptoms of chronic blepharitis who underwent a parasitological test of eyelashes (Rapitest) in the Dermatology Department of the Hospital Italiano de Buenos Aires were included. Those with previously established blepharitis due to another infectious cause were excluded. We analyzed 972 patients. Sixty percent (n=585) underwent a positive Rapitest for the presence of Demodex spp. Seventy five percent (n=728) were women. There were no significant differences in the prevalence associated with sex (p=0.38). Among the patients positive for Demodex spp., 65% (n=628) were older than 60 years old. The most frequently associated symptom was itching, present in 35% (n=342). A statistically significant decrease in the number of consultations was observed during the cold months of the year (May-June-July-August). Our results show a high prevalence of Demodex spp. in patients with chronic blepharitis. As its presence reveals a direct association with age, we recommend looking for this parasite in this age group.


Asunto(s)
Blefaritis , Infestaciones por Ácaros , Ácaros , Animales , Humanos , Femenino , Persona de Mediana Edad , Masculino , Infestaciones por Ácaros/epidemiología , Prevalencia , Estudios Transversales , Blefaritis/epidemiología , Blefaritis/parasitología , Prurito/complicaciones
5.
Int Ophthalmol ; 44(1): 60, 2024 Feb 12.
Artículo en Inglés | MEDLINE | ID: mdl-38345707

RESUMEN

PURPOSE: To analyze higher-order aberrations (HOAs) and their visual impact in a pediatric blepharokeratoconjunctivitis (PBKC) cohort compared with healthy controls. METHODS: Prospective case-control study of pediatric patients (≤ 16 years old). Subjects underwent wavefront aberrometry analysis to compare HOAs and their impact on visual quality. RESULTS: A total of 150 eyes from 76 patients were included in the analysis. The PBKC group consisted of 50 eyes and the control group of 100 healthy eyes. Mean age was 10.39 ± 3.81 years for the PBKC group and 10.80 ± 3.61 years for the controls. Mean corrected-distance visual acuity (CDVA) was 0.24 ± 0.21 logMAR in the PBKC group and 0.07 ± 0.1 in the controls (P < 0.001). Mean astigmatism was 1.6 ± 1.98D in the PBKC group vs. 0.67 ± 0.76D in the control group (P = 0.01). Mean RMS of HOAs was 1.05 ± 1.7mm in the PBKC group and 0.41 ± 0.18mm in the controls (P < 0.001). The mean modulation transfer function (MTF) in the PBKC group was significantly lower (16.37 ± 16.32) than controls (30.3 ± 23.57) (P < 0.001). Corneal leukomas, stromal vascularization, peripheral nummular subepithelial scars, and pannus formation are associated with increased HOAs. CONCLUSIONS: There was a significant increase in total HOAs of eyes with PBKC compared to healthy controls. Corneal opacity, vascularization, and scarring are associated with increased HOAs. The PBKC eye aberration profile: coma, secondary astigmatism, quadrafoil, and pentafoil, were associated with decreased CDVA and visual quality (PSF and MTF).


Asunto(s)
Astigmatismo , Opacidad de la Córnea , Aberración de Frente de Onda Corneal , Humanos , Niño , Adolescente , Estudios de Casos y Controles , Agudeza Visual , Córnea , Refracción Ocular
6.
Br J Community Nurs ; 29(2): 78-82, 2024 Feb 02.
Artículo en Inglés | MEDLINE | ID: mdl-38300241

RESUMEN

Blepharitis affects the ocular surface and is characterised by symptoms such as inflammation of the eyelashes, redness of the eyelid margins and itchiness. This article aims to create an awareness of this disease among community nurses by explaining its potential consequences to a person's physical and psychosocial wellbeing. Suggestions are made for its care and intervention.


Asunto(s)
Blefaritis , Atención de Enfermería , Humanos , Párpados , Inflamación , Pacientes
7.
Wiad Lek ; 77(3): 445-449, 2024.
Artículo en Inglés | MEDLINE | ID: mdl-38691785

RESUMEN

OBJECTIVE: Aim: To analyze the data and evaluate the prevalence of ocular lesions in patients with moderate ulcerative colitis. PATIENTS AND METHODS: Materials and Methods: We observed 112 patients aged 18-75 years old with clinically, endoscopically and histologically confirmed moderate ulcerative colitis which lasted at least 6 months. An ophthalmologic exam was performed to determine the presence of ocular symptoms. RESULTS: Results: Of the 112 patients with moderate ulcerative colitis, 21 (18,75%) had the following ocular lesions: episcleritis - 7 patients (6,25%), keratopathy - 5 patients (4,46%), uveitis - 5 patients (4,46%), cataract - 2 (1,78%) and scleritis - 2 (1.78%). CONCLUSION: Conclusions: Because ocular symptoms in patients with UC are often nonspecific, it may be beneficial to perform ophthalmologic examinations as a routine follow-up component of in such patients.


Asunto(s)
Colitis Ulcerosa , Humanos , Colitis Ulcerosa/complicaciones , Colitis Ulcerosa/epidemiología , Adulto , Persona de Mediana Edad , Masculino , Femenino , Anciano , Adulto Joven , Adolescente , Prevalencia , Escleritis/etiología , Escleritis/epidemiología , Uveítis/etiología , Uveítis/epidemiología , Oftalmopatías/etiología , Oftalmopatías/epidemiología
8.
Vestn Oftalmol ; 140(2. Vyp. 2): 68-72, 2024.
Artículo en Ruso | MEDLINE | ID: mdl-38739133

RESUMEN

Chronic mixed blepharitis accounts for 51.7% of all ophthalmic diseases. The use of laser Doppler flowmetry (LDF) in the diagnosis of this disease can help establish the initial manifestations of the inflammatory process in the eyelids, which is important for the prevention of possible complications - dry eye disease. PURPOSE: This study was conducted to determine the sensitivity and specificity of the LDF method in the diagnosis of chronic mixed blepharitis based on the study of microcirculatory changes in the eyelid skin. MATERIAL AND METHODS: The study included 23 patients with chronic mixed blepharitis (mean age 67±5.8 years) and 18 healthy volunteers (mean age 63±1.1 years). LDF was performed using the LAZMA MC-1 device. ROC analysis was used to determine sensitivity and specificity. RESULTS: A typical disturbance of the eyelid skin microcirculation was revealed in chronic mixed blepharitis - ischemia - with inhibition of the intensity of the functioning of blood flow regulatory systems and moderate activation of the lymph flow. The sensitivity and specificity of the coefficient of variation (reflecting the vasomotor activity of microvessels) of blood flow was 71.43 and 71.43%, lymph flow - 65.71 and 80.00%; myogenic rhythms of blood flow - 83.33 and 85.71%, lymph flow - 66.67 and 71.43%; neurogenic rhythms of blood flow - 75.00 and 78.57%, lymph flow - 91.67 and 78.57%, respectively. CONCLUSION: Laser Doppler flowmetry of the eyelid skin in combination with clinical, functional and instrumental research methods helped reveal with high sensitivity and specificity the eyelid damage in chronic mixed blepharitis. This method allows assessment of the condition of the eyelids in individuals without diseases of the anterior segment of the eye.


Asunto(s)
Blefaritis , Flujometría por Láser-Doppler , Microcirculación , Humanos , Blefaritis/diagnóstico , Blefaritis/fisiopatología , Blefaritis/etiología , Flujometría por Láser-Doppler/métodos , Masculino , Femenino , Anciano , Persona de Mediana Edad , Microcirculación/fisiología , Sensibilidad y Especificidad , Párpados/irrigación sanguínea , Párpados/fisiopatología , Enfermedad Crónica , Reproducibilidad de los Resultados
9.
Ophthalmology ; 130(10): 1015-1023, 2023 10.
Artículo en Inglés | MEDLINE | ID: mdl-37285925

RESUMEN

PURPOSE: To evaluate the safety and efficacy of lotilaner ophthalmic solution 0.25% compared with vehicle for the treatment of Demodex blepharitis. DESIGN: Prospective, randomized, double-masked, vehicle-controlled, multicenter, phase 3 clinical trial. PARTICIPANTS: Four hundred twelve patients with Demodex blepharitis were assigned randomly in a 1:1 ratio to receive either lotilaner ophthalmic solution 0.25% (study group) or vehicle without lotilaner (control group). METHODS: Patients with Demodex blepharitis treated at 21 United States clinical sites were assigned either to the study group (n = 203) to receive lotilaner ophthalmic solution 0.25% or to the control group (n = 209) to receive vehicle without lotilaner bilaterally twice daily for 6 weeks. Collarettes and erythema were graded for each eyelid at screening and at all visits after baseline. At screening and on days 15, 22, and 43, 4 or more eyelashes were epilated from each eye, and the number of Demodex mites present on the lashes was counted with a microscope. Mite density was calculated as the number of mites per lash. MAIN OUTCOME MEASURES: Outcome measures included collarette cure (collarette grade 0), clinically meaningful collarette reduction to 10 collarettes or fewer (grade 0 or 1), mite eradication (0 mites/lash), erythema cure (grade 0), composite cure (grade 0 for collarettes as well as erythema), compliance with the drop regimen, drop comfort, and adverse events. RESULTS: At day 43, the study group achieved a statistically significant (P < 0.0001) higher proportion of patients with collarette cure (56.0% vs. 12.5%), clinically meaningful collarette reduction to 10 collarettes or fewer (89.1% vs. 33.0%), mite eradication (51.8% vs. 14.6%), erythema cure (31.1% vs. 9.0%), and composite cure (19.2% vs. 4.0%) than the control group. High compliance with the drop regimen (mean ± standard deviation, 98.7 ± 5.3%) in the study group was observed, and 90.7% of patients found the drops to be neutral to very comfortable. CONCLUSIONS: Twice-daily treatment with lotilaner ophthalmic solution 0.25% for 6 weeks generally was safe and well tolerated and met the primary end point and all secondary end points for the treatment of Demodex blepharitis compared with vehicle control. FINANCIAL DISCLOSURE(S): Proprietary or commercial disclosure may be found in the Footnotes and Disclosures at the end of this article.


Asunto(s)
Blefaritis , Infecciones Parasitarias del Ojo , Pestañas , Infestaciones por Ácaros , Ácaros , Animales , Humanos , Infestaciones por Ácaros/tratamiento farmacológico , Estudios Prospectivos , Soluciones Oftálmicas , Blefaritis/tratamiento farmacológico , Blefaritis/diagnóstico , Eritema/complicaciones , Infecciones Parasitarias del Ojo/diagnóstico , Infecciones Parasitarias del Ojo/tratamiento farmacológico
10.
Graefes Arch Clin Exp Ophthalmol ; 261(10): 2891-2900, 2023 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-37243742

RESUMEN

PURPOSE: To propose additional items for established dry eye disease (DED) instruments that cover blepharitis-specific signs and symptoms and to determine the association between the clinical findings and subjective complaints. METHODS: Thirty-one patients with blepharitis and DED were prospectively included in the pretest period for selecting suitable questions. In the main phase of the study, the selected questions were then tested on 68 patients with blepharitis and DED and 20 controls without blepharitis or DED. Pearson's coefficient of correlation was calculated between the blepharitis-specific questions, tear break-up time (TBUT), the Schirmer test score, and the ocular surface disease index (OSDI) score; and the similarity between the blepharitis-specific questions, OSDI questions, and objective parameters for DED was assessed via hierarchical clustering. Furthermore, the discriminatory power of the blepharitis-specific questions was investigated with the receiver operating characteristic (ROC) curve. RESULTS: The additional question about heavy eyelids revealed a significant correlation with the OSDI score (r = 0.45, p < 0.001) and Schirmer score (r = - 0.32, p = 0.006). Cluster analysis demonstrated the similarity between the question about heavy eyelids and TBUT. In addition, the OSDI questionnaire had the highest discriminatory power in ROC analysis, and the OSDI score significantly correlated with the specific questions about eyelids sticking together (r = 0.47, p < 0.0001) and watery or teary eyes (r = 0.34, p = 0.003). CONCLUSIONS: The blepharitis-specific additional questions were closely associated with objective parameters for DED. The question about heavy eyelids might be well suited for recording the symptoms of hyposecretory and hyperevaporative dry eye with blepharitis.


Asunto(s)
Blefaritis , Síndromes de Ojo Seco , Humanos , Síndromes de Ojo Seco/diagnóstico , Síndromes de Ojo Seco/complicaciones , Párpados , Encuestas y Cuestionarios , Lágrimas , Blefaritis/complicaciones , Blefaritis/diagnóstico
11.
BMC Ophthalmol ; 23(1): 209, 2023 May 11.
Artículo en Inglés | MEDLINE | ID: mdl-37170186

RESUMEN

BACKGROUND: Filamentary keratitis is an ocular condition that is tricky to handle for the difficulty to find the underlying cause. Here we report a case of filamentary keratitis associated with Demodex infestation which highlights the importance of Demodex mites as an easily-overlooked risk factor. CASE PRESENTATION: A 63-year-old woman had recurrent symptoms of foreign body sensation and sometimes painful feelings in her left eye soon after her surgical correction of ptosis in this eye. She was then diagnosed as conjunctivitis and given antibiotic eye drops. After one week, the patient complained of aggravation of symptoms with small corneal filaments in the left eye under slit-lamp examination. Despite the removal of filaments and addition of topical corticosteroids and bandage contact lenses, the patient's condition persisted with enlarged filaments and severe ocular discomfort. 3 days later, eyelashes with cylindrical dandruff were noticed and Demodex infestation was confirmed by microscopic examination of these eyelashes at our clinic this time. She was asked to use tea tree oil lid scrub twice daily. After 3 weeks, her filamentary keratitis was resolved with a dramatic improvement in symptoms and signs. And no recurrence of filamentary keratitis was noticed during the one-year follow-up. CONCLUSIONS: In this case, filamentary keratitis was resolved only with treatment of Demodex infestation while conventional treatment failed. Considering the fact that Demodex infestation is a common but easily overlooked condition, it may be suggestive to take Demodex infestation into account as a risk factor of filamentary keratitis, especially in refractory cases.


Asunto(s)
Blefaritis , Infecciones Parasitarias del Ojo , Pestañas , Queratitis , Infestaciones por Ácaros , Aceite de Árbol de Té , Humanos , Femenino , Persona de Mediana Edad , Infestaciones por Ácaros/complicaciones , Infestaciones por Ácaros/diagnóstico , Infestaciones por Ácaros/tratamiento farmacológico , Queratitis/diagnóstico , Queratitis/tratamiento farmacológico , Queratitis/etiología , Aceite de Árbol de Té/uso terapéutico , Infecciones Parasitarias del Ojo/complicaciones , Infecciones Parasitarias del Ojo/diagnóstico , Infecciones Parasitarias del Ojo/terapia
12.
Vet Ophthalmol ; 26(6): 476-488, 2023 Nov.
Artículo en Inglés | MEDLINE | ID: mdl-35960710

RESUMEN

OBJECTIVES: To describe the most common ocular lesions and demonstrate the frequency of ophthalmic involvement in a group of cats with systemic sporotrichosis. ANIMALS STUDIED: Two hundred seventy-four cats diagnosed with systemic sporotrichosis. The inclusion criteria included previous positive cytopathological examination, histopathological examination, or fungal culture. PROCEDURES: In a prospective case-control study, 274 cats diagnosed with systemic sporotrichosis underwent ophthalmic evaluation and received treatment for systemic sporotrichosis. Of these animals, 63 had ocular abnormalities which were recorded, and conjunctivitis was scored from 0 to 5. Diagnostic techniques utilized included fungal culture, as well as cytopathological (10 eyes; 10 cats), and histopathological examination of the palpebral conjunctiva and eyes (2 eyes). RESULTS: Cytopathological and histopathological examination of the conjunctiva, as well as fungal culture, proved to be important tests for the detection of Sporothrix sp. Five cats without the evidence of ophthalmic abnormalities also had a positive fungal culture. The identified ocular lesions in animals with systemic sporotrichosis included increased serous discharge (79 eyes; 53 cats), blepharoconjunctivitis (33 eyes; 25 cats), conjunctivitis (39 eyes, 20 cats), blepharitis (9 eyes; 8 cats), uveitis (5 eyes; 3 cats), and Florida keratopathy-like lesions (2 eyes; 1 cat). CONCLUSION: Sporotrichosis should be considered a differential diagnosis for conjunctivitis and blepharoconjunctivitis, especially in endemic areas. Fungal culture and cytopathology of ocular discharge and histopathological examinations of the conjunctiva are important for the diagnosis of ophthalmic sporotrichosis, although not all cats underwent laboratory testing in this study. Ocular discharge could be a source of contagion transmission.


Asunto(s)
Enfermedades de los Gatos , Conjuntivitis , Opacidad de la Córnea , Esporotricosis , Animales , Gatos , Esporotricosis/diagnóstico , Esporotricosis/veterinaria , Estudios de Casos y Controles , Conjuntivitis/diagnóstico , Conjuntivitis/veterinaria , Conjuntiva , Opacidad de la Córnea/veterinaria , Enfermedades de los Gatos/diagnóstico
13.
Vet Ophthalmol ; 26(5): 458-463, 2023 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-36537865

RESUMEN

OBJECTIVE: To present the clinical signs and treatment methods for atypical tumor-like meibomitis in two dogs. ANIMALS STUDIED: A 4-year-old castrated-male Coton de Tulear (Case 1) and a 6-year-old spayed-female Maltese dog (Case 2). PROCEDURE: Full ophthalmic examination revealed a well-circumscribed, firm, and raised solitary mass on the upper eyelid of the left (Case 1) and right eye (Case 2). Case 1 showed a recurrent mass with a diameter of 2-3 mm, which was excised by the referring veterinarian. The possibility of meibomian gland involvement was suggested histopathologically. Case 2 had a history of blepharitis treated with systemic corticosteroids 4 years ago. RESULTS: Topical and systemic antibiotics and anti-inflammatory drugs were administered to reduce inflammation and prevent secondary infections. In Case 1, the mass appeared static at the beginning of medication; however, after stopping antibiotics while tapering steroids, the mass increased in size and was associated with suppurative discharge. In Case 2, the mass continued to grow despite treatment, showing a similar infection pattern. Cytological examination revealed neutrophilic inflammation with cocci infection, and bacterial culture confirmed the presence of Staphylococcus pseudintermedius in both cases. When steroid administration was stopped and antibiotic administration was initiated according to the results of the antibiotic susceptibility test, the mass rapidly decreased in size and completely disappeared. There was no recurrence on follow-up. CONCLUSIONS: A unilateral antibiotic-responsive tumor-like solitary mass on the upper eyelid resolved without surgical treatment. Medical treatment must be considered when treating atypical eyelid masses, and the use of appropriate antibiotics through antibiotic susceptibility testing is important.


Asunto(s)
Enfermedades de los Perros , Meibomitis , Neoplasias , Perros , Masculino , Femenino , Animales , Antibacterianos/uso terapéutico , Meibomitis/veterinaria , Glándulas Tarsales , Inflamación/tratamiento farmacológico , Inflamación/veterinaria , Neoplasias/veterinaria , Enfermedades de los Perros/tratamiento farmacológico , Enfermedades de los Perros/microbiología
14.
Int J Mol Sci ; 24(20)2023 Oct 12.
Artículo en Inglés | MEDLINE | ID: mdl-37894795

RESUMEN

Meibomian gland dysfunction (MGD) is a highly prevalent condition and the most common cause of evaporative dry eye disease. Studying the proteome of MGD can result in important advances in the management of the condition. Here, we collected tear film samples from treatment naïve patients with MGD (n = 10) and age-matched controls (n = 11) with Schirmer filtration paper. The samples were analyzed with label-free quantification nano liquid chromatography-tandem mass spectrometry. The proteins were considered differentially expressed if p < 0.05. A total of 88 proteins were significantly regulated. The largest change was observed in cystatin-SN, which was downregulated in MGD and correlated negatively with tear meniscus height. The downregulation of cystatin-SN was confirmed with targeted mass spectrometry by single reaction monitoring (SRM). Eighteen immunoglobulin components involved in B cell activation, phagocytosis, and complement activation were downregulated in MGD including Ig alpha-1 chain C region, immunoglobulin J chain, immunoglobulin heavy variable 3-15, and Ig mu chain C region. The changes in cystatin-SN and immunoglobulin chains are likely to result from the inflammatory changes related to tear film evaporation, and future studies may assess their association with the meibum quality.


Asunto(s)
Enfermedades de los Párpados , Disfunción de la Glándula de Meibomio , Humanos , Enfermedades de los Párpados/metabolismo , Subunidades de Inmunoglobulinas/metabolismo , Inmunoglobulinas/metabolismo , Disfunción de la Glándula de Meibomio/metabolismo , Glándulas Tarsales/metabolismo , Cistatinas Salivales/metabolismo , Lágrimas/metabolismo
15.
Int J Mol Sci ; 24(14)2023 Jul 10.
Artículo en Inglés | MEDLINE | ID: mdl-37511032

RESUMEN

Ocular surface diseases (OSDs) are significant causes of ocular morbidity, and are often associated with chronic inflammation, redness, irritation, discomfort, and pain. In severe OSDs, loss of vision can result from ocular surface failure, characterised by limbal stem cell deficiencies, corneal vascularisation, corneal opacification, and surface keratinisation. External and internal exposomes are measures of environmental factors that individuals are exposed to, and have been increasingly studied for their impact on ocular surface diseases. External exposomes consist of external environmental factors such as dust, pollution, and stress; internal exposomes consist of the surface microbiome, gut microflora, and oxidative stress. Concerning internal exposomes, alterations in the commensal ocular surface microbiome of patients with OSDs are increasingly reported due to advancements in metagenomics using next-generation sequencing. Changes in the microbiome may be a consequence of the underlying disease processes or may have a role in the pathogenesis of OSDs. Understanding the changes in the ocular surface microbiome and the impact of various other exposomes may also help to establish the causative factors underlying ocular surface inflammation and scarring, the hallmarks of OSDs. This review provides a summary of the current evidence on exposomes in various OSDs.


Asunto(s)
Neovascularización de la Córnea , Exposoma , Oftalmopatías , Humanos , Oftalmopatías/etiología , Inflamación
16.
Int Ophthalmol ; 43(4): 1249-1259, 2023 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-36255613

RESUMEN

PURPOSE: Demodex folliculorum and Demodex brevis are common ectoparasites on skin that also can lead to blepharitis and chalazion. The aim of our study is to determine the prevalence of Demodex spp. in eyelashes of patients diagnosed with chronic blepharitis and chalazion. METHODS: This study included 330 patients diagnosed with chronic blepharitis, 70 patients diagnosed with chalazion and 130 volunteers without any ocular problems. Patient eyelashes were examined under a light microscope at magnifications of × 40, × 100 and × 400. Demodex spp. were determined. RESULTS: Parasite prevalence was significantly higher in blepharitis (75.5%) and chalazion groups (70%) compared to the control group (16.2%) (p < 0.001). The prevalence of D. folliculorum in the blepharitis group and D. brevis in the chalazion group was found to be significantly higher compared to other groups (p < 0.05). The average number of mites per eyelash was found to be significantly higher in patients with Demodex positive blepharitis (p = 0.001) and in chalazion patients (p = 0.047) than in the control group. It has been determined that mite positivity increases with age in blepharitis and control groups (p < 0.05). In the group with blepharitis, it was found that mite positivity was significant in the presence of symptoms (p = 0.0001) and Demodex positivity decreased as the education level of individuals increased (p = 0.039). CONCLUSION: The results of the study show that Demodex spp infestations should be considered in chronic blepharitis and chalazion.


Asunto(s)
Ascomicetos , Blefaritis , Chalazión , Infecciones Parasitarias del Ojo , Pestañas , Infestaciones por Ácaros , Ácaros , Animales , Humanos , Chalazión/epidemiología , Infestaciones por Ácaros/epidemiología , Infestaciones por Ácaros/parasitología , Prevalencia , Blefaritis/epidemiología , Blefaritis/parasitología , Pestañas/parasitología , Enfermedad Crónica , Infecciones Parasitarias del Ojo/diagnóstico , Infecciones Parasitarias del Ojo/epidemiología
17.
Vestn Oftalmol ; 139(5): 36-42, 2023.
Artículo en Ruso | MEDLINE | ID: mdl-37942595

RESUMEN

PURPOSE: The study comparatively evaluates the effectiveness of various approaches to acaricidal treatment in patients with chronic demodex blepharitis and meibomian gland dysfunctions. MATERIAL AND METHODS: The study included 40 patients with chronic blepharitis (CB) of demodicosis etiology in conditions of meibomian gland dysfunction (MGD) and dry eye (DE). The 1st group of patients (20 people) received acaricidal treatment as part of therapeutic eyelid hygiene (TEH; 2 times a day) involving the use of «Blefarogel ochishchenie¼, «Blefarolosion¼, «Blefarogel forte¼ (contains sulfur and metronidazole). Acaricidal treatment in the patients of the 2nd group involved applications of a product containing metronidazole (2 times a day) without TEH. Control points: 1) at inclusion in the study; 2) after a course of therapy (45 days). Evaluation included: patient acarograms, symptoms and signs of CB (points); OSDI; tear film break-up time (TBUT, sec), severity of meibomian gland dysfunction (S-MGD, points). Statistical analysis: calculation of M±SD, Mann-Whitney, and Wilcoxon tests. RESULTS: Acaricidal treatment was effective in both groups (reduction in demodex population, which was more pronounced in the 1st group). Symptoms and signs of CB were significantly less pronounced in the patients of the 1st group after therapy. The patients of the 1st group showed a significant decrease in S-MGD, OSDI and an increase in TBUT, the 2nd group - a significant decrease in OSDI and an increase in TBUT at the second control point. The positive OSDI and TBUT trends were significantly more pronounced in the 1st group. CONCLUSION: Acaricidal treatment as part of TEH showed a significantly more pronounced reduction in demodex population, relief of CB symptoms and sign, OSDI decrease and TBUT increase, compared to the 2nd group. Apparently, this was associated with combined acaricidal effect and significant S-MGD decrease in the patients of the 1st group.


Asunto(s)
Acaricidas , Blefaritis , Síndromes de Ojo Seco , Enfermedades de los Párpados , Disfunción de la Glándula de Meibomio , Humanos , Disfunción de la Glándula de Meibomio/diagnóstico , Disfunción de la Glándula de Meibomio/terapia , Disfunción de la Glándula de Meibomio/complicaciones , Acaricidas/uso terapéutico , Metronidazol/uso terapéutico , Glándulas Tarsales/diagnóstico por imagen , Estudios Prospectivos , Lágrimas , Blefaritis/diagnóstico , Blefaritis/terapia , Síndromes de Ojo Seco/etiología
18.
Korean J Parasitol ; 60(6): 429-432, 2022 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-36588421

RESUMEN

Inflammatory eyelid symptoms are common in primary care and there have been several reports on Demodex blepharitis. In the present study, we evaluate the 9 patients with Demodex blepharitis, who showed inflammation of the eyelids, dry eye, and cylindrical dandruff at the base of the eyelashes. The causative species from all patients was Demodex folliculorum of either the adult or nymph stage. Two patients had recurrent chalazion and 3 patients had keratitis. Weekly lid scrubs with 50% tee tree oil were performed for 6 weeks. After treatment, the symptoms of blepharitis and keratitis had improved in all patients. This case report provides clinical reference source for the proper treatment of ocular demodicosis.


Asunto(s)
Blefaritis , Infecciones Parasitarias del Ojo , Pestañas , Queratitis , Infestaciones por Ácaros , Ácaros , Adulto , Humanos , Animales , Infestaciones por Ácaros/diagnóstico , Infestaciones por Ácaros/tratamiento farmacológico , Blefaritis/diagnóstico , Blefaritis/tratamiento farmacológico , Blefaritis/etiología , Inflamación , Queratitis/complicaciones , Infecciones Parasitarias del Ojo/complicaciones , Infecciones Parasitarias del Ojo/diagnóstico , Infecciones Parasitarias del Ojo/tratamiento farmacológico
19.
Med J Armed Forces India ; 78(Suppl 1): S186-S193, 2022 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-36147389

RESUMEN

Background: The aim of the study is to observe the ocular manifestation in patients of psoriasis. Methods: All the diagnosed cases of Psoriasis by the dermatology department of this tertiary care hospital were included in this study. Relevant details of the history pertaining to disease duration, type of psoriasis, and treatment undertaken including ocular symptoms were obtained. Disease severity was quantified using the PASI score. Complete ocular examination including intraocular pressure, Schirmer I and II tests, Tear Film Breakup Tme (TBUT); was carried out for all the patients. Results: Of 126 patients of psoriasis, ocular manifestations were seen in 76 patients (60.3%). Dry eyes (27%) and blepharitis (15.9%) were the most common ocular manifestations. Uveitis was seen in 3.2% of the patients of which 75% patients were HA B27-positive psoriatic arthritis, which was statistically significant (p = 0.001). There was no statistical correlation between duration of the disease and ocular manifestations (p value is 0.077 using chi square test). The ocular manifestations were more common in patients with PASI score 10 when compared with the patients with PASI score 10 (p value = 0.028) which was statistically significant. Conclusions: In our study, prevalence of ocular manifestation was 60.3% which increased with the increasing PASI score. Dry eyes and blepharitis were the most common manifestations. Hence, routine ocular examination is recommended in patients with psoriasis.

20.
J Am Acad Dermatol ; 85(2): 453-461, 2021 08.
Artículo en Inglés | MEDLINE | ID: mdl-33253849

RESUMEN

BACKGROUND: Conjunctivitis and several other ocular surface diseases (OSDs) have been linked to atopic dermatitis (AD) and its treatment. OBJECTIVES: To examine the association between AD, conjunctivitis, and other OSDs. METHODS: A systematic review and meta-analysis was performed. Two authors independently searched EMBASE, PubMed, SCOPUS, and Web of Science and performed title/abstract and full-text review and data abstraction. Pooled random-effects prevalence and odds ratios (ORs) with 95% confidence intervals (CIs) were estimated. RESULTS: The search yielded 5719 nonduplicate articles; 134 were included in the quantitative analysis. AD was associated with conjunctivitis compared to reference individuals (OR, 2.78; 95% CI, 2.33-3.32); the prevalences of conjunctivitis in patients with AD and reference individuals were 31.7% (95% CI, 27.7-35.9) and 13.3% (95% CI, 11.0-15.7), respectively. Keratoconus (OR, 3.71; 95% CI, 1.99-6.94) and ocular herpes simplex (OR, 3.65; 95% CI 2.04-6.51) were also associated with AD. LIMITATIONS: Disease definitions differed and often relied on self-reports. Few studies provided data concerning AD phenotype or OSDs other than conjunctivitis. CONCLUSIONS: Conjunctivitis is the most common ocular comorbidity in AD. Signs and symptoms of conjunctivitis and other OSDs in AD may be underreported, making proactive inquiry and examination by physicians treating patients with AD important.


Asunto(s)
Conjuntivitis/complicaciones , Dermatitis Atópica/complicaciones , Oftalmopatías/complicaciones , Humanos
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