Eye accommodation disease

This study tests a special lens implant that corrects cataracts, presbyopia (need for reading glasses), and astigmatism (blurry vision from an irregularly shaped cornea). The goal is to see if this lens stays stable in the eye and provides good vision at all distances. About 100 …

This study tests two types of advanced lens implants (IOLs) for people having cataract surgery in both eyes. The lenses are designed to help see clearly at far, arm's length, and near distances. Researchers will check safety and how well the lenses work in 110 participants over t…

This study gives free reading glasses and basic smartphone training to older adults in Bangladesh who receive government benefits. The goal is to see if better vision helps them use mobile banking more often and independently. About 571 people aged 48 to 70 with presbyopia (age-r…

This study tests a new device called CorVision, a tiny lens made from collagen that is placed inside the cornea to improve near vision in people with presbyopia (age-related difficulty seeing up close). 110 adults aged 40-65 will receive the implant in one eye through a minimally…

This study compares three types of progressive lenses to see which provides the widest clear vision at distances from 4 meters down to 25 centimeters. About 26 presbyopic participants will test each lens in a random, double-blind order. The goal is to help eye doctors choose the …

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 was designed to check the long-term safety and performance of AcrySof IQ Vivity lens implants in people who had them in both eyes for 3 to 5 years. It was a real-world observation, not a treatment test. However, the study was withdrawn before enrolling any participants…