Night blindness

This study tests whether an AI-assisted screening tool can detect visual impairment more accurately and efficiently than traditional methods in community settings. About 400 adults aged 50 and older will undergo vision screening and provide feedback. The goal is to see if the AI …

This study tests whether phentolamine eye drops can improve vision in low light for people who had laser eye surgery and now see glare, halos, or starbursts at night. About 200 adults will use the drops or a placebo every evening for two weeks. The main goal is to see if more peo…

This study looks at whether traditional exercises like Tai Chi and Baduanjin can help visually impaired university students improve their balance, mood, and quality of life. Ninety participants will be split into three groups: Tai Chi, Baduanjin, or regular physical education cla…

This study aims to find better ways to measure how retinitis pigmentosa (a genetic eye disease that causes vision loss) progresses over time. Researchers will use advanced imaging and vision tests in 40 people with specific genetic forms of the disease. The goal is to identify re…

This study tests whether stimulating the visual part of the brain can create visual sensations in blind volunteers. Five adults who are blind will have a device implanted in their skull to deliver tiny electrical pulses. The goal is to learn where and how much stimulation is need…

This study offers free vision screenings to underserved adults over 40 living in affordable housing in Harlem and Washington Heights. The goal is to find eye problems like glaucoma, cataracts, and diabetic retinopathy early and connect people with follow-up care. About 749 partic…

This study reviews the medical records of 2,000 people in Upper Egypt who applied for visual disability certification between 2020 and 2024. Researchers will analyze eye exams and tests to find the most common diseases causing severe vision loss. The goal is to understand which c…