Cerulean cataract digital retinal photo provided by Chris Boyle, Specsavers Auckland

Clinical photography – Cerulean cataract

Cerulean cataract

Image provided by Chris Boyle, Specsavers

Diagnosis

Introduction
Congenital cataracts are a common major abnormality of the eye that frequently cause blindness in infants.

Aetiology
At least a third of all cases are familial; autosomal dominant congenital cataract (ADCC) appears to be the most common familial form in the Western world. Cerulean cataracts may be caused by mutations in several genes, including the CRYBB2, CRYGD, and MAF genes.

Signs
Cerulean cataracts have peripheral bluish and white opacification in concentric layers with occasional central lesions arranged radially.

Symptoms
Although the opacities may be observed during fetal development and childhood, usually visual acuity is only mildly reduced until adulthood, when lens extraction is generally necessary.

Management
No treatment is known to prevent cerulean cataracts, but frequent evaluations and cataract surgery are typically required to prevent amblyopia as the opacities progress.

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