Asymmetric canthaxanthin retinopathy.
OBJECTIVE
We studied a case of crystalline retinopathy occurring after prolonged use of oral canthaxanthin. The patient was followed up for 38 months during which time she sustained a branch retinal vein occlusion in her left eye.


CONCLUSIONS
An asymmetric appearance to the crystalline deposition was noted with increased sedimentation seen in the left eye. Vascular alterations after a branch retinal vein occlusion may lead to local stasis that may exacerbate the development of canthaxanthin retinopathy.
Chang
T S
TS
Department of Ophthalmology, Bascom Palmer Eye Institute, University of Miami, USA.
Aylward
W
W
Clarkson
J G
JG
Gass
J D
JD
D016644:Canthaxanthin / Q000009:adverse effects*; D003460:Crystallization; D005260:Female; D005500:Follow-Up Studies; D005654:Fundus Oculi; D006801:Humans; D008875:Middle Aged; D012160:Retina / Q000473:pathology; D012164:Retinal Diseases / Q000139:chemically induced* / Q000473:pathology; D012170:Retinal Vein Occlusion / Q000139:chemically induced / Q000473:pathology; D014792:Visual Acuity
D016644:Canthaxanthin