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


To read more or access our algorithms and calculators, please log in or register.