Related Experiment Video
Updated: May 1, 2026

Quantification of Hypopigmentation Activity In Vitro
Published on: March 6, 2019
Increased periocular pigmentation with ocular hypotensive lipid use in African Americans
Leon W Herndon1, Robert D Williams, Martin Wand
1Duke University Eye Center, Durham, North Carolina 27710, USA. hernd012@mc.duke.edu
Purpose:
To report increased eyelid pigmentation as an adverse side effect associated with topical ocular hypotensive lipids in African Americans.
Design:
Interventional case series.
Methods:
Two African-American patients with open-angle glaucoma are described in whom increased eyelid pigmentation developed 1 month to 5 months after beginning treatment with either latanoprost or bimatoprost.
Results:
Latanoprost was discontinued in an African-American patient, and pigmentation gradually diminished by 3 months after cessation of latanoprost. Increased eyelid pigmentation and increased eyelash length were noted in another African-American patient after just 4 weeks on bimatoprost.
Conclusions:
An increase in eyelid pigmentation and eyelash growth is a possible complication of topical ocular hypotensive lipid therapy, even in African-American patients. The changes seems to present earlier after bimatoprost treatment then after latanoprost treatment. Cessation of these medications may lead to loss of induced pigmentation.
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