Indian journal of ophthalmology · 2022
Posterior corneal morphological changes in primary congenital glaucoma.
СтатьяНазвание и аннотация: Перевод в очереди
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Gupta Shikha, Mahalingam Karthikeyan, Singh Abhishek, Selvan Harathy, Somarajan Bindu I, Gupta Viney
Аннотация
PURPOSE: To compare posterior corneal morphology between older treated and younger untreated children with primary congenital glaucoma (PCG) using anterior segment optical coherence tomography (ASOCT) and intraoperative OCT (iOCT), respectively.
METHODS: In this comparative study, ASOCT of older PCG children were compared with iOCT of younger untreated PCG patients. Differences between the two groups with respect to posterior corneal morphology were studied.
RESULTS: Observed morphological patterns within posterior cornea in older treated (age: 72-300 months) children (87 eyes) included Descemet's membrane (DM) excrescences (70%), thickened DM (35%), intracameral twin protuberances (92%), and DM detachment (26%). Changes within pre-Descemet's layer (PDL) (28%) included thickening, breaks, and detachments. Extent of Haab's striae was associated with thickness of DM/PDL complex (P = 0.008) when analyzed in the treated group. In contrast, in the untreated group (n = 53 eyes, age 1-63 months), posterior corneal changes were limited to diffuse hyper-reflectivity of the DM/PDL complex, with absence of DM tears.
CONCLUSION: Posterior cornea thickens and Haab's striae become more circumscribed in eyes of older treated children compared to untreated PCG eyes, probably reflecting a healing response of posterior cornea over time.
METHODS: In this comparative study, ASOCT of older PCG children were compared with iOCT of younger untreated PCG patients. Differences between the two groups with respect to posterior corneal morphology were studied.
RESULTS: Observed morphological patterns within posterior cornea in older treated (age: 72-300 months) children (87 eyes) included Descemet's membrane (DM) excrescences (70%), thickened DM (35%), intracameral twin protuberances (92%), and DM detachment (26%). Changes within pre-Descemet's layer (PDL) (28%) included thickening, breaks, and detachments. Extent of Haab's striae was associated with thickness of DM/PDL complex (P = 0.008) when analyzed in the treated group. In contrast, in the untreated group (n = 53 eyes, age 1-63 months), posterior corneal changes were limited to diffuse hyper-reflectivity of the DM/PDL complex, with absence of DM tears.
CONCLUSION: Posterior cornea thickens and Haab's striae become more circumscribed in eyes of older treated children compared to untreated PCG eyes, probably reflecting a healing response of posterior cornea over time.