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1.
Am J Ophthalmol ; 2024 May 20.
Artículo en Inglés | MEDLINE | ID: mdl-38777101

RESUMEN

PURPOSE: The identification of infectious etiologies is important in the management of uveitis. Ocular fluid testing is required but multiplex testing faces challenges due to limited volume sampled. The determination of antibody repertoire of aqueous humor (AH) is not possible with conventional assays. We hence investigated the use of a highly multiplexable serological assay VirScan, a Phage ImmunoPrecipitation Sequencing (PhIP-Seq) library derived from the sequences of over 200 viruses, to determine the antibody composition of AH in uveitis patients. DESIGN: Prospective case control study METHODS: We analyzed the paired AH and plasma samples of 11 immunocompetent patients with active PCR-positive CMV anterior uveitis, and the AH of 34 control cataract surgery patients with no known uveitis in an institutional practice. The samples were tested using VirScan PhIP-Seq and the entire pan-viral antibody repertoire was determined using peptide tile ranking by normalized counts to identify significant antibodies enrichment against all viruses with human tropism. RESULTS: Significant enrichment of antibodies to Herpesviridae, Picornavirdae and Paramyxoviridae were detectable in 20 microliters of AH samples from CMV uveitis patients and controls. CMV uveitis patients had relative enrichment of anti-CMV antibodies in AH compared to their plasma. Epitope-level mapping identified significant enrichment of antibodies against CMV tegument protein pp150 (p=1.5e-06) and envelope glycoprotein B (p=0.0045) in the AH compared to controls. CONCLUSIONS: Our proof-of-concept study not only shed light on the antibody repertoire of AH but expands the utility of PhIP-Seq to future studies to detect antibodies in AH in the study of inflammatory eye diseases.

3.
Indian J Ophthalmol ; 72(5): 629-636, 2024 May 01.
Artículo en Inglés | MEDLINE | ID: mdl-38648431

RESUMEN

Since its inception in 2009, femtosecond laser-assisted cataract surgery (FLACS) has become an alternative to conventional phacoemulsification cataract surgery (CPCS). Clinical studies were unable to demonstrate superior visual outcomes, but revealed reduced endothelial cell loss. More recently, the cost-effectiveness of FLACS over CPCS in routine cataract surgeries has been challenged. However, the unique abilities of FLACS to customize anterior capsulotomies precisely, soften and fragment the nucleus without capsular bag stress, and create corneal incisions may have special utility in complex cataract and less-common scenarios. In this article, we review the unique role of FLACS in complex cataract surgeries and how it could play a role to improve the safety and predictability of nonroutine cataract surgery.


Asunto(s)
Extracción de Catarata , Catarata , Terapia por Láser , Humanos , Terapia por Láser/métodos , Extracción de Catarata/métodos , Catarata/complicaciones , Agudeza Visual
4.
Ocul Immunol Inflamm ; : 1-19, 2024 Mar 05.
Artículo en Inglés | MEDLINE | ID: mdl-38441549

RESUMEN

PURPOSE: To provide an overview of pre-selected emerging arboviruses (arthropod-borne viruses) that cause ocular inflammation in humans. METHODS: A comprehensive review of the literature published between 1997 and 2023 was conducted in PubMed database. We describe current insights into epidemiology, systemic and ocular manifestations, diagnosis, treatment, and prognosis of arboviral diseases including West Nile fever, Dengue fever, Chikungunya, Rift Valley fever, Zika, and Yellow fever. RESULTS: Arboviruses refer to a group of ribonucleic acid viruses transmitted to humans by the bite of hematophagous arthropods, mainly mosquitoes. They mostly circulate in tropical and subtropical zones and pose important public health challenges worldwide because of rising incidence, expanding geographic range, and occurrence of prominent outbreaks as a result of climate change, travel, and globalization. The clinical signs associated with infection from these arboviruses are often inapparent, mild, or non-specific, but they may include serious, potentially disabling or life-threatening complications. A wide spectrum of ophthalmic manifestations has been described including conjunctival involvement, anterior uveitis, intermediate uveitis, various forms of posterior uveitis, maculopathy, optic neuropathy, and other neuro-ophthalmic manifestations. Diagnosis of arboviral diseases is confirmed with either real time polymerase chain reaction or serology. Management involves supportive care as there are currently no specific antiviral drug options. Corticosteroids are often used for the treatment of associated ocular inflammation. Most patients have a good visual prognosis, but there may be permanent visual impairment due to ocular structural complications in some. Community-based integrated mosquito management programs and personal protection measures against mosquito bites are the best ways to prevent human infection and disease. CONCLUSION: Emerging arboviral diseases should be considered in the differential diagnosis of ocular inflammatory conditions in patients living in or returning from endemic regions. Early clinical consideration followed by confirmatory testing can limit or prevent unnecessary treatments for non-arboviral causes of ocular inflammation. Prevention of these infections is crucial.

6.
Clin Exp Ophthalmol ; 52(2): 186-206, 2024 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-38214059

RESUMEN

Ultrasound biomicroscopy (UBM) is an invaluable investigation for imaging anterior segment structures. Although it is operator-dependent and time consuming, unlike optical-based imaging techniques, it is able to image structures posterior to the iris, such as the zonules, ciliary body and part of the pars plana. It is especially useful in advanced cataracts, traumatic cataracts, subluxed lenses, posterior polar cataracts, and congenital and developmental anomalies affecting the anterior segment. It provides diagnostic information in eyes with complex cataracts or intraocular lens (IOL)-related pathology, and aids in surgical planning in order to minimise complications. In this review, we describe the UBM features of various lenticular pathologies and demonstrate its application in the diagnosis and surgical management of lens and IOL-related pathologies.


Asunto(s)
Extracción de Catarata , Catarata , Lentes Intraoculares , Humanos , Microscopía Acústica/métodos , Implantación de Lentes Intraoculares/métodos , Catarata/diagnóstico , Extracción de Catarata/métodos
7.
Graefes Arch Clin Exp Ophthalmol ; 262(2): 575-582, 2024 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-37855958

RESUMEN

PURPOSE: To report the clinical and fluorescein angiographic (FA) features of demyelinating plaque-associated uveitis (DPU), a subset of uveitis in which patients have demyelinating plaques on the brain/cervical magnetic resonance image (MRI) but do not meet the criteria for multiple sclerosis (MS). METHODS: In this retrospective observational study, Persian Patients were diagnosed with DPU and included if (1) they never satisfied the MS criteria, (2) all other possible etiologies were excluded, and (3) they were followed for at least 2 years. RESULTS: After a median follow-up of 3 years (interquartile range, 2.0-5.3), 8 out of 40 (20%) patients diagnosed with DPU were excluded as they subsequently met the MS criteria. Of remaining 32 patients studied, the mean age was 36.3±9.9 (range 20-56 years), and 30 (93.8%) were female. Twenty-four (75.0%) showed bilateral involvement and 27 (84.4%) had insidious-chronic course. Uveitis was classified as intermediate (with or without anterior uveitis) in 29 (90.6%) and isolated anterior in 3 (9.4%) patients. Nine (28.1%) patients had at least one systemic neurological complaint. Ocular findings were: granulomatous keratic precipitates in 43/44 (97.7%) eyes; snowballs in 25/52 (48.1%) eyes; snowbanks in 4/52 (7.7%) eyes; cystoid macular edema in 20/56 (35.7%) eyes; and optic neuritis in 5/56 (8.9%) eyes. Visual acuity was ≥ 20/40 in 39 eyes (69.6%) at presentation which improved to 46 eyes (81.2%) at 2-year follow up. The two most frequent findings in FA were optic disc leakage/staining in 44/52 (81.5%) eyes, and peripheral retinal perivascular leakage in 39/52 (76.9%) eyes, which in 14/52 (26.9%) eyes extended beyond the equator. CONCLUSION: DPU usually presents as a bilateral chronic granulomatous intermediate and, less often, isolated anterior uveitis, especially in females. Most are neurologically asymptomatic. Visual outcome is generally favorable. In FA, peripheral retinal perivascular leakage is common. DPU patients have an increased tendency to develop MS and should be prohibited from anti-TNF treatment.


Asunto(s)
Placa Aterosclerótica , Uveítis Anterior , Uveítis Intermedia , Uveítis , Humanos , Femenino , Adulto Joven , Adulto , Persona de Mediana Edad , Masculino , Inhibidores del Factor de Necrosis Tumoral/uso terapéutico , Uveítis/diagnóstico , Uveítis Anterior/diagnóstico , Uveítis Anterior/tratamiento farmacológico , Uveítis Anterior/etiología , Retina , Angiografía con Fluoresceína , Estudios Retrospectivos , Uveítis Intermedia/diagnóstico , Uveítis Intermedia/tratamiento farmacológico
8.
Am J Ophthalmol ; 258: 87-98, 2024 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-37734639

RESUMEN

PURPOSE: To assess factors that impact the risk of relapse in patients with noninfectious uveitis (NIU) who undergo adalimumab tapering after achieving remission. DESIGN: Retrospective study. METHODS: In this multicenter study, patients with NIU were treated with adalimumab and subsequently tapered. Patient demographics, type of NIU, onset and duration of disease, the period of inactivity before tapering adalimumab, and the tapering schedule were collected. The primary outcome measures were independent predictors of the rate of uveitis recurrence after adalimumab tapering. RESULTS: Three hundred twenty-eight patients were included (54.6% female) with a mean age of 34.3 years. The mean time between disease onset and initiation of adalimumab therapy was 35.2 ± 70.1 weeks. Adalimumab tapering was commenced after a mean of 100.8 ± 69.7 weeks of inactivity. Recurrence was observed in 39.6% of patients at a mean of 44.7 ± 61.7 weeks. Patients who experienced recurrence were significantly younger than those without recurrence (mean 29.4 years vs 37.5 years, P = .0005), and the rate of recurrence was significantly higher in younger subjects (hazard ratio [HR] = 0.88 per decade of increasing age, P = .01). The lowest rate of recurrence was among Asian subjects. A faster adalimumab taper was associated with an increased recurrence rate (HR = 1.23 per unit increase in speed, P < .0005). Conversely, a more extended period of remission before tapering was associated with a lower rate of recurrence (HR = 0.97 per 10-weeks longer period of inactivity, P = .04). CONCLUSIONS: When tapering adalimumab, factors that should be considered include patient age, race, and duration of disease remission on adalimumab. A slow tapering schedule is advisable.


Asunto(s)
Inflamación , Uveítis , Humanos , Femenino , Adulto , Masculino , Adalimumab/uso terapéutico , Estudios Retrospectivos , Uveítis/diagnóstico , Uveítis/tratamiento farmacológico , Recurrencia , Trastornos de la Visión , Resultado del Tratamiento
9.
Eye (Lond) ; 38(2): 253-258, 2024 02.
Artículo en Inglés | MEDLINE | ID: mdl-37542173

RESUMEN

BACKGROUND/ AIMS: To describe the visual outcomes in eyes with dropped nucleus during phacoemulsification surgery. SETTING: Singapore National Eye Centre (SNEC). DESIGN: Retrospective chart review of prospectively reported cases of dropped nucleus. METHODS: The clinical charts of all cases of dropped nucleus (Jan 2001 to Dec 2016) were retrospectively reviewed for patient demographics, surgeon type, stage of surgery, timing of pars plana vitrectomy (PPV), and complications. Visual success was defined as best corrected visual acuity (BCVA) ≥ 20/40 at last review. Final risk factors affecting visual success were identified using multivariate logistic regression analysis. RESULTS: Incidence of dropped nucleus following cataract surgery was 0.17% (n = 292). Duration of follow-up was 25.5 months (mean), 18.5 months (median). There was a statistically significant difference in dropped nucleus rate between Residents (0.3%) and Faculty (0.14%) (x2 = 38.2, P < 0.001), but ensuing major complications rates were similar. PPV was performed in 251 eyes (87.2%). At final examination, 202 cases (85.2%) achieved BCVA 20/40 or better, after excluding patients with co-existing ocular pathology. Timing of vitrectomy (delayed vs same-day) did not influence the final visual success (x2 = 0.969, p = 0.51). Risk factors for poor visual outcomes included age >70 years, absence of intraocular lens (IOL) implant, and presence of major complications. CONCLUSION: Overall incidence of dropped nucleus in SNEC was 0.17%, with BCVA of 20/40 or better in 85.2% cases. Visual prognosis was influenced by patient's age, presence of IOL implant or additional major complications.


Asunto(s)
Extracción de Catarata , Catarata , Facoemulsificación , Humanos , Anciano , Estudios Retrospectivos , Implantación de Lentes Intraoculares/efectos adversos , Extracción de Catarata/efectos adversos , Facoemulsificación/efectos adversos , Vitrectomía/efectos adversos , Factores de Riesgo , Catarata/etiología , Complicaciones Posoperatorias/epidemiología , Complicaciones Posoperatorias/etiología
10.
Eye (Lond) ; 38(1): 61-67, 2024 01.
Artículo en Inglés | MEDLINE | ID: mdl-37419957

RESUMEN

AIMS: To present current expert practice patterns and to formulate a consensus for the management of HSV and VZV AU by uveitis specialists worldwide. METHODS: A two-round online modified Delphi survey with masking of the study team was conducted. Responses were collected from 76 international uveitis experts from 21 countries. Current practices in the diagnosis and treatment of HSV and VZV AU were identified. A working group (The Infectious Uveitis Treatment Algorithm Network [TITAN]) developed data into consensus guidelines. Consensus is defined as a particular response towards a specific question meeting ≥75% of agreement or IQR ≤ 1 when a Likert scale is used. RESULTS: Unilaterality, increased intraocular pressure (IOP), decreased corneal sensation and diffuse or sectoral iris atrophy are quite specific for HSV or VZV AU from consensus opinion. Sectoral iris atrophy is characteristic of HSV AU. Treatment initiation is highly variable, but most experts preferred valacyclovir owing to simpler dosing. Topical corticosteroids and beta-blockers should be used if necessary. Resolution of inflammation and normalisation of IOP are clinical endpoints. CONCLUSIONS: Consensus was reached on several aspects of diagnosis, choice of initial treatment, and treatment endpoints for HSV and VZV AU. Treatment duration and management of recurrences varied between experts.


Asunto(s)
Herpes Simple , Herpes Zóster Oftálmico , Herpes Zóster , Uveítis Anterior , Uveítis , Humanos , Herpesvirus Humano 3 , Simplexvirus , Herpes Zóster Oftálmico/diagnóstico , Herpes Zóster Oftálmico/tratamiento farmacológico , Uveítis Anterior/diagnóstico , Uveítis Anterior/tratamiento farmacológico , Atrofia , Herpes Simple/diagnóstico , Herpes Simple/tratamiento farmacológico
11.
Eye (Lond) ; 38(1): 68-75, 2024 01.
Artículo en Inglés | MEDLINE | ID: mdl-37419958

RESUMEN

AIMS: To present current practice patterns in the diagnosis and management of Cytomegalovirus anterior uveitis (CMV AU) by uveitis experts worldwide. METHODS: A two-round modified Delphi survey with masking of the study team was performed. Based on experience and expertise, 100 international uveitis specialists from 21 countries were invited to participate in the survey. Variation in the diagnostic approaches and preferred management of CMV AU was captured using an online survey platform. RESULTS: Seventy-five experts completed both surveys. Fifty-five of the 75 experts (73.3%) would always perform diagnostic aqueous tap in suspected CMV AU cases. Consensus was achieved for starting topical antiviral treatment (85% of experts). About half of the experts (48%) would only commence systemic antiviral treatment for severe, prolonged, or atypical presentation. The preferred specific route was ganciclovir gel 0.15% for topical treatment (selected by 70% of experts) and oral valganciclovir for systemic treatment (78% of experts). The majority of experts (77%) would commence treatment with topical corticosteroid four times daily for one to two weeks along with antiviral coverage, with subsequent adjustment depending on the clinical response. Prednisolone acetate 1% was the drug of choice (opted by 70% of experts). Long-term maintenance treatment (up to 12 months) can be considered for chronic course of inflammation (88% of experts) and those with at least 2 episodes of CMV AU within a year (75-88% of experts). CONCLUSIONS: Preferred management practices for CMV AU vary widely. Further research is necessary to refine diagnosis and management and provide higher-level evidence.


Asunto(s)
Infecciones por Citomegalovirus , Uveítis Anterior , Humanos , Citomegalovirus , Infecciones por Citomegalovirus/diagnóstico , Infecciones por Citomegalovirus/tratamiento farmacológico , Humor Acuoso , Ganciclovir/uso terapéutico , Antivirales/uso terapéutico , Uveítis Anterior/diagnóstico , Uveítis Anterior/tratamiento farmacológico
13.
Surv Ophthalmol ; 69(1): 67-84, 2024.
Artículo en Inglés | MEDLINE | ID: mdl-37774799

RESUMEN

Acute retinal necrosis is a progressive intraocular inflammatory syndrome characterized by diffuse necrotizing retinitis that can lead to a poor visual outcome, mainly from retinal detachment. The antiviral treatment approach for acute retinal necrosis varies as there are no established guidelines. We summarize the outcomes of acute retinal necrosis with available antiviral treatments. Electronic searches were conducted in PubMed/MEDLINE, EMBASE, Scopus, and Google Scholar for interventional and observational studies. Meta-analysis was performed to evaluate the pooled proportion of the predefined selected outcomes. This study was registered in PROSPERO (CRD42022320987). Thirty-four studies with a total of 963 participants and 1,090 eyes were included in the final analysis. The estimated varicella-zoster virus and herpes simplex virus polymerase chain reaction-positive cases were 63% (95% CI: 55-71%) and 35% (95% CI: 28-42%), respectively. The 3 main antiviral treatment approaches identified were oral antivirals alone, intravenous antivirals alone, and a combination of systemic (oral or intravenous) and intravitreal antivirals. The overall pooled estimated proportions of visual acuity improvement, recurrence, and retinal detachment were 37% (95% CI: 27-47%), 14% (95% CI: 8-21%), and 43% (95% CI: 38-50%), respectively. Patients treated with systemic and intravitreal antivirals showed a trend towards better visual outcomes than those treated with systemic antivirals (oral or intravenous) alone, even though this analysis was not statistically significant (test for subgroup differences P = 0.83).


Asunto(s)
Infecciones Virales del Ojo , Desprendimiento de Retina , Síndrome de Necrosis Retiniana Aguda , Humanos , Síndrome de Necrosis Retiniana Aguda/tratamiento farmacológico , Antivirales/uso terapéutico , Aciclovir/uso terapéutico , Infecciones Virales del Ojo/tratamiento farmacológico , Estudios Retrospectivos
14.
J Cataract Refract Surg ; 49(10): 1073, 2023 10 01.
Artículo en Inglés | MEDLINE | ID: mdl-37769173

RESUMEN

A 34-year-old woman with quiescent bilateral intermediate uveitis maintained on once-daily dexamethasone 0.1% eyedrops, complicated by left cataract and glaucoma controlled with a single antiglaucoma medication, presented for cataract surgery. Her left corrected distance visual acuity (CDVA) was 20/40 because of a posterior subcapsular lens opacity. The anterior chamber angles appeared closed in all 4 quadrants on gonioscopy. Ultrasound biomicroscopy (UBM) confirmed the gonioscopy findings and, in addition, revealed a crystalline lens thickness of 5.53 mm, normal ciliary body structure, and multiple localized chorioretinal scars with membranes over the pars plana region. She underwent left phacoemulsification, goniosynechiolysis, and in-the-bag implantation of a single-piece monofocal hydrophobic acrylic intraocular lens (IOL). On the first postoperative day, she achieved pinhole vision of 20/70 (-6 diopters [D] myopia to balance with the fellow eye). There was mild anterior chamber cellular activity and flare, consistent with postoperative inflammation. Her intraocular pressure (IOP) was 16 mm Hg without antiglaucoma therapy. She was advised to continue the prednisolone acetate 1% eyedrops 6 times daily and to reduce it to 4 times daily after a week for the next 4 weeks. At 1 month, she was refracted to 20/40 N5, and the eye was quiescent. Optical coherence tomography showed that the macular was normal. The topical steroids were gradually tapered to the preoperative level. However, a month later, she returned complaining of deteriorating vision while using twice-daily steroid eyedrops. Her CDVA was 20/60. Slitlamp examination revealed anterior capsule fibrosis and capsular phimosis, resulting in partial obstruction of the visual axis and mild decentration of the IOL superior temporally (Figure 1JOURNAL/jcrs/04.03/02158034-202310000-00013/figure1/v/2023-09-28T161738Z/r/image-tiff). The anterior segment was quiescent. The pupil could only be dilated to 4.5 mm despite the absence of posterior synechiae. Fundus examination revealed a normal-looking quiescent posterior segment. Her IOP was 16 mm Hg. UBM showed a thickened anterior capsule, intact zonular fibers, and a posteriorly bowed and decentered IOL within the capsular bag (Figure 2JOURNAL/jcrs/04.03/02158034-202310000-00013/figure2/v/2023-09-28T161738Z/r/image-tiff). She was referred for further management. Discuss how you would manage this problem, explaining your decisions. How would you be able to avoid the same problem when operating on her fellow eye?


Asunto(s)
Catarata , Cristalino , Lentes Intraoculares , Facoemulsificación , Fimosis , Humanos , Masculino , Femenino , Adulto , Implantación de Lentes Intraoculares/métodos , Facoemulsificación/métodos
15.
J Cataract Refract Surg ; 49(5): 545-550, 2023 05 01.
Artículo en Inglés | MEDLINE | ID: mdl-37088938

RESUMEN

A 61-year-old man presented with gradual blurring of vision and glare in both eyes for a couple of years, with worsening of the vision in his right eye over the past 2 months. He had no medical history of note. On clinical examination, his visual acuities were 20/80 in the right eye and 20/30 in the left eye, uncorrected. The cornea was clear, and the anterior chamber (AC) was deep in both eyes. He had bilateral mild nuclear sclerosis with round central onion-ring-like posterior opacities. The opacities measured approximately 2 mm in diameter and were marginally larger in the right eye than in the left eye (Figure 1JOURNAL/jcrs/04.03/02158034-202305000-00018/figure1/v/2023-04-20T184543Z/r/image-tiff). In addition, there were 2 curvilinear lines across the right posterior capsule (PC), one of which passed across the lens opacity (Figure 2JOURNAL/jcrs/04.03/02158034-202305000-00018/figure2/v/2023-04-20T184543Z/r/image-tiff). Fundus examination was normal in both eyes, and the vitreous was clear. Optical coherence tomography (OCT) of the macular and optic nerve in both eyes was normal. The endothelial cell count in both eyes exceeded 2000 cells/mm2. He had been told by a previous ophthalmologist to have bilateral cataracts and was now keen for surgery starting with the right eye. He works as a manager in a large company and is an avid golf player. He is emmetropic and wears spectacles for near work. Optical biometry using predicated posterior corneal astigmatism did not recommend a toric intraocular lens (IOL). He had done his internet research on IOL options and requested trifocal IOLs. What is your surgical plan for right cataract removal? Explain which IOL you would choose to implant.


Asunto(s)
Extracción de Catarata , Catarata , Lentes Intraoculares , Masculino , Humanos , Persona de Mediana Edad , Implantación de Lentes Intraoculares/métodos , Complicaciones Posoperatorias , Catarata/complicaciones , Catarata/diagnóstico , Extracción de Catarata/métodos
16.
J Cataract Refract Surg ; 49(2): 221-222, 2023 02 01.
Artículo en Inglés | MEDLINE | ID: mdl-36700891

RESUMEN

An 85-year-old man with a history of type 2 diabetes, pseudoexfoliation (PXF) in both eyes, and tamsulosin use was referred for the evaluation of a dense cataract in the right eye and a subluxated intraocular lens (IOL) in the left eye. Unfortunately, his surgery in the left eye was complicated by diffuse zonulopathy. The referring surgeon placed a 3-piece IOL in the sulcus. However, the passively fixated 3-piece IOL moved inferiorly causing monocular diplopia for over a year. Because the patient was pleased with the IOL immediately postoperatively, a refixation procedure was performed in the form of sulcus placement with iris suture fixation in the left eye. Fortunately, the iris-fixated IOL in the left eye has remained well centered and stable without cystoid macular edema (CME) or chronic inflammation for over 8 months. The patient is on no ocular medications and has no family history of glaucoma. He now needs cataract surgery in the right eye and is extremely apprehensive because of his difficult course in the left eye. The corrected distance visual acuity is 20/70 in the right eye and 20/25 in the left eye. Intraocular pressures (IOPs) measure 20 mm Hg in the right eye and 14 mm Hg in the left eye by Goldmann tonometry. Pachymetry is 536 µm in the right eye and 543 µm in the left eye. Pupils are round with minimal reactivity and without a relative afferent pupillary defect. Extraocular motility is normal in both eyes, and confrontation visual fields is full in both eyes. Gonioscopy reveals an angle open to the pigmented trabecular meshwork (PTM) in the right eye and the ciliary body in the left eye with 1+ PTM and without peripheral anterior synechia in both eyes. The retinal nerve fiber layer and macular optical coherence tomography are normal in both eyes. On slitlamp examination, pertinent findings include pseudoexfoliative changes at the pupillary margin with poor dilation of 3.5 mm in both eyes; the anterior chamber (AC) is shallow but adequate in the right eye and deep and quiet with rare pigmented cells in the left eye. There is a 5+ nuclear sclerotic cataract with pseudoexfoliative changes on the anterior capsule and no obvious phacodonesis in the right eye and a 3-piece posterior chamber IOL in the sulcus fixated to the iris with 10-0 polypropylene sutures at 6 and 12 o'clock without pseudophacodonesis in the left eye. Dilated fundus examination reveals a cup-to-disc ratio of 0.4 with healthy neuroretinal rims in both eyes, posterior vitreous detachments in both eyes, and no evidence of diabetic retinopathy in both eyes. All other findings are unremarkable. How would you counsel this patient regarding his risk factors for surgery in the right eye? What surgical maneuvers would you use to remove the cataract safely? How would you stabilize the IOL if the capsule bag becomes compromised due to zonulopathy?


Asunto(s)
Extracción de Catarata , Catarata , Diabetes Mellitus Tipo 2 , Lentes Intraoculares , Masculino , Humanos , Anciano de 80 o más Años , Implantación de Lentes Intraoculares/métodos , Lentes Intraoculares/efectos adversos , Catarata/etiología
17.
Surv Ophthalmol ; 68(2): 257-264, 2023.
Artículo en Inglés | MEDLINE | ID: mdl-36427560

RESUMEN

RATIONALE: Obstructive sleep apnoea (OSA) has been linked to various ocular disorders, including floppy eyelid syndrome (FES). Previous studies have hypothesised the underlying association between the 2 , but results are currently still inconclusive. OBJECTIVE: To investigate the association between OSA and FES. METHODS: Four databases (Pubmed, Embase, Scopus, and Cochrane Library) were searched from inception until 28 February 2022 for observational studies and randomized controlled trials assessing the association between OSA and FES. Two reviewers selected studies, extracted data, graded the risk of bias using the Newcastle-Ottawa scale and the quality of assessment using the Grading of Recommendations Assessment, Development, and Evaluation system. Random-effects models were used to metaanalyze the associations. RESULTS: Twelve studies were included in the systematic review, of which nine were suitable for metaanalysis, with a combined cohort of 1,109 patients. Risk of bias was low to moderate. The overall analysis showed a significant positive association between OSA and FES (OR = 1.89, 95% CI = 1.27-2.83, I 2 = 44%). Further analysis revealed that the more severe the OSA was, the higher the risk of developing FES. Patients with severe OSA had the nominally highest risk of developing FES (OR = 3.06, 95% CI = 1.62-5.78, I 2 = 0%), followed by moderate OSA (OR = 2.53, 95% CI = 1.29-4.97, I 2 = 0%), and patients with mild OSA had the lowest risk (OR = 1.76, 95% CI = 0.85-3.62, I 2 = 0%). CONCLUSION: Our metaanalysis reports a positive association between OSA and FES, with increasing severity of OSA correlating with a significantly higher risk of FES. More longitudinal studies with sufficient duration of follow-up are needed to better characterise the relationship between OSA and FES.


Asunto(s)
Enfermedades de los Párpados , Apnea Obstructiva del Sueño , Humanos , Síndrome , Enfermedades de los Párpados/complicaciones , Apnea Obstructiva del Sueño/complicaciones , Apnea Obstructiva del Sueño/epidemiología , Párpados
18.
Ocul Immunol Inflamm ; 31(7): 1342-1361, 2023 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-36095008

RESUMEN

INTRODUCTION: Ocular toxoplasmosis is the leading cause of posterior uveitis worldwide, affecting individuals acrossdifferent age groups. The key to reducing vision loss includes prompt diagnosis and treatment. However, despite the prevalence of ocular toxoplasmosis, there has been little consensus regarding its pathophysiology,clinical features, diagnosis, and especially management. METHODS: The data sources were literature reviews, including Pub Med and Medline databases. Search terms included toxoplasmosis, retinitis, vasculitis, vitritis, uveitis alone or in combination with, serum, aqueous, vitreous eye, ocular and review. RESULTS: In this review paper, we have sought to provide an overview of the pathophysiology, epidemiology, and clinical features of the disease, both based on current literature and our own clinical experience. We have also discussed the use of serology, ocular fluid, and ophthalmic investigations that could further facilitate the diagnosis of ocular toxoplasmosis.Different management strategies have been reported worldwide, including newer approaches such as local therapy. CONCLUSION: A better understanding of critical aspects of ocular toxoplasmosis will hopefully lead to reduced morbidity, including blindness associated with this condition.


Asunto(s)
Retinitis , Toxoplasmosis Ocular , Uveítis Posterior , Uveítis , Humanos , Toxoplasmosis Ocular/diagnóstico , Ojo , Uveítis Posterior/tratamiento farmacológico
20.
Br J Ophthalmol ; 106(2): 203-210, 2022 02.
Artículo en Inglés | MEDLINE | ID: mdl-33115769

RESUMEN

AIM: To describe the long-term outcomes of Descemet stripping automated endothelial keratoplasty (DSAEK) with an anterior chamber intraocular lens (ACIOL) compared to secondary posterior chamber (PC) IOL. METHODS: This was a retrospective comparative cohort study. The clinical data of 82 eyes from 82 consecutive patients with pseudophakic (PBK) or aphakic bullous keratopathy (ABK) who either underwent DSAEK with retained or secondary ACIOL (n=23) or DSAEK with IOL exchange and/or secondary PCIOL (retropupillary iris-claw IOL, n=25; intrascleral-fixated IOL, n=29; or sulcus IOL, n=5) were analysed. The main outcome measures were graft survival and complications up to 5 years. RESULTS: The graft survival in the secondary PCIOL group was superior than the ACIOL group over 5 years (year 1, 100.0% vs 100.0%; year 3, 94.7% vs 75.0%; year 5, 91.1% vs 60.6%, p=0.022). The presence of an ACIOL was a significant risk factor associated with graft failure (HR, 4.801; 95% CI, 1.406 to 16.396, p=0.012) compared to a secondary PCIOL. There was no significant difference in the rate of graft detachment and elevated intraocular pressure between the groups. There were five cases (9.3%) of IOL subluxation or dislocation in the retropupillary iris-claw and intrascleral-fixated IOL groups. CONCLUSIONS: Eyes that underwent DSAEK with ACIOL in situ had poorer long-term graft survival compared with those with secondary PCIOL. Intraocular lens exchange was not associated with a higher complication rate. In ABK or PBK eyes with ACIOL, we recommend performing IOL exchange and/or secondary PCIOL implantation combined with endothelial keratoplasty.


Asunto(s)
Edema Corneal , Queratoplastia Endotelial de la Lámina Limitante Posterior , Lentes Intraoculares , Cámara Anterior/cirugía , Estudios de Cohortes , Edema Corneal/cirugía , Humanos , Estudios Retrospectivos , Agudeza Visual
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