4.4 Article

Ocular Phenotype of Peters-Plus Syndrome

Journal

CORNEA
Volume 41, Issue 2, Pages 219-223

Publisher

LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/ICO.0000000000002889

Keywords

congenital corneal opacity; Peters-plus syndrome; Peters anomaly; anterior segment optical coherence tomography

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In this study, deep ocular phenotyping of Peters-plus syndrome was performed using anterior segment optical coherence tomography and ultrasound biomicroscopy. The most common ocular phenotype observed was an avascular paracentral ring opacity with relative central clearing. A different phenotype with a large vascularized corneal opacity was also identified.
Purpose: Peters-plus syndrome is a rare, autosomal recessive congenital disorder of glycosylation caused by mutations in the gene B3GLCT. A detailed description of the ocular findings is currently lacking in the scientific literature. We report a case series of Peters-plus syndrome with deep ocular phenotyping using anterior segment optical coherence tomography and ultrasound biomicroscopy. Where available, we describe the histology of host corneal buttons. Methods: A retrospective chart review of patients with Peters-plus syndrome was conducted under the care of the senior author between January 2000 and June 2019. Demographic and clinical data including ocular and systemic features, ophthalmic imaging, and molecular diagnostic reports were collected. Results: Four cases of Peters-plus syndrome were identified. Three patients were male and 1 was female. Five of the 8 eyes had an avascular paracentral ring opacity with relative central clearing. The paracentral opacity is due to iridocorneal adhesion and the relative central clearing associated with posterior stromal thinning. One eye had persistent fetal vasculature and microphthalmia, which has not previously been reported. One eye from each of 2 patients had a significantly different phenotype with a large vascularized central corneal opacity. Conclusions: The most common ocular phenotype seen in Peters-plus syndrome is an avascular paracentral ring opacity with relative central clearing. A different phenotype with a large vascularized corneal opacity may also be observed.

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