Answer
Yes. It can gradually increase brown pigmentation in the treated iris. The change may be permanent and particularly noticeable when only one eye is treated.
Sources for this answer
- Bimatoprost 0.1mg/ml eye drops, solution — Current selected SmPCemc · Summary of Product Characteristics
- Lumigan 0.1mg/ml — Current selected SmPCemc · Summary of Product Characteristics
General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.