Cystine deposition in the eye of a patient with cystinosis may lead to a number of findings.
Patient selection: cystinosis
Clinical presentation: photophobia
Findings on ophthalmologic exam:
(1) band keratopathy
(2) cystine deposits in the cornea seen on slit lamp exam
The cystine deposits can be mobilized following treatment with cysteamine eye drops.
Late complications:
(1) corneal ulcerations
(2) peripheral corneal neovascularization
(3) posterior synechiae
(4) pigmentary retinopathy with degeneration of photoreceptors
(5) impaired vision
