Optic choroid disorder

This study tests whether a 6-week self-management program, done with a caregiver's help, can improve diabetes control and thinking skills in adults aged 55+ who have both diabetes and mild cognitive impairment. About 309 participants will attend weekly group sessions and provide …

This study compares two common prostate medications, tamsulosin and silodosin, to see how they affect pupil size and the thickness of a layer at the back of the eye called the choroid. Men aged 50 and older with benign prostatic hyperplasia (BPH) who have not used these drugs bef…

This observational study will use advanced imaging techniques to measure changes in the retina and choroid (the layer beneath the retina) in people with eye diseases and healthy volunteers. Over 5 years, researchers will track thickness and blood vessel density to better understa…

This study is a long-term follow-up for 100 people who completed a previous trial of bel-sar, an experimental treatment for early choroidal melanoma (a type of eye cancer). Participants will not receive any new treatment but will be monitored for about 5 more years to check for s…