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1.
Orbit ; 38(4): 325-327, 2019 Aug.
Artículo en Inglés | MEDLINE | ID: mdl-30148416

RESUMEN

Salzmann's nodular degeneration (SND) typically occurs in patients who are female, 50-60 years old, and have a history of corneal inflammation and irritation. Multiple case reports have documented associations between SND and trachoma, viral infections, trauma, contact lens wear, corneal surgeries and corneal exposure. The authors describe a patient with bilateral SND confirmed by anterior segment optical coherence tomography (OCT) imaging in the context of thyroid eye disease (TED) and history of LASIK. Treatment involved propylthiouracil (PTU), artificial tear use, loteprednol etabonate ophthalmic gel, eyelid taping and selenium supplementation and prospective superficial keratectomy with diamond burr polish.


Asunto(s)
Distrofias Hereditarias de la Córnea/etiología , Oftalmopatía de Graves/complicaciones , Limbo de la Córnea/patología , Adulto , Distrofias Hereditarias de la Córnea/diagnóstico por imagen , Distrofias Hereditarias de la Córnea/fisiopatología , Topografía de la Córnea , Femenino , Oftalmopatía de Graves/diagnóstico , Humanos , Limbo de la Córnea/diagnóstico por imagen , Estudios Prospectivos , Lámpara de Hendidura , Tomografía de Coherencia Óptica , Trastornos de la Visión/diagnóstico , Trastornos de la Visión/etiología , Trastornos de la Visión/fisiopatología , Agudeza Visual/fisiología
2.
J AAPOS ; 21(6): 463-466.e1, 2017 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-29037659

RESUMEN

PURPOSE: To compare the accuracy of widefield ultrasound biomicroscopy (UBM) with mechanical intraoperative measurements of the distance between rectus muscle insertions and the corneal limbus in strabismus reoperations. METHODS: Subjects with a history of horizontal rectus muscle surgery who required further surgery on horizontal rectus muscle(s) were recruited prospectively. All widefield UBM measurements were carried out under topical anesthesia using a 50 MHz linear probe without immersion cup and external caliper. The insertion angle distance was measured using the caliper tool of the UBM device; the actual muscle insertion distance from the limbus was considered to be the measured distance plus 1 mm. The distance from muscle insertion to the limbus was also measured intraoperatively. The results of UBM and surgical measurements were compared. RESULTS: A total of 28 subjects were recruited, and 53 horizontal muscles (30 medial rectus, and 23 lateral rectus muscles) were included. The longest distance of the muscle insertion from limbus detectable on UBM was 13 mm for the medial rectus muscle and 15 mm for the lateral rectus muscle. In 38 muscles (71.7%) UBM and surgical measurements were within 1 mm of each other. Only in 1 muscle (1.9%) was the difference between measurements >2 mm (2.3 mm). The intraclass correlation coefficient was 0.87, demonstrating excellent agreement between measurements. Limit of agreement analysis demonstrated better agreement between measurements of medial rectus muscles and in consecutive exotropia cases. CONCLUSIONS: This study demonstrated good agreement between intraoperative and widefield UBM measurements of the muscle insertion-limbus distance in our patient cohort.


Asunto(s)
Limbo de la Córnea/diagnóstico por imagen , Microscopía Acústica , Músculos Oculomotores/diagnóstico por imagen , Procedimientos Quirúrgicos Oftalmológicos , Estrabismo/diagnóstico por imagen , Adolescente , Adulto , Anestesia Local , Femenino , Humanos , Cuidados Intraoperatorios , Masculino , Persona de Mediana Edad , Músculos Oculomotores/cirugía , Estudios Prospectivos , Reoperación , Reproducibilidad de los Resultados , Estrabismo/cirugía , Adulto Joven
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