VISUAL ACUITY

This study checks if a new Turkish digital vision test (DDIVAT) on a smart TV gives the same results as the standard eye chart. About 200 Turkish-speaking adults will take both tests to see if they match. No drugs or procedures are involved, and there are no risks.

This study tests a new digital device that measures how well you see. Researchers want to see if it gives the same results as the standard eye exam. About 150 adults from an eye clinic will take part. The device also records voices saying letters to help build a speech recognitio…

This study tests if a safe, non-invasive brain stimulation technique called tDCS can improve vision in children aged 4 to 14 with lazy eye (amblyopia) that hasn't responded to standard patching therapy. One hundred children will receive either real or fake (placebo) tDCS sessions…

This study compares two ways to prescribe glasses for children with Down syndrome, ages 5 to 12. One method uses computer analysis of eye images, the other uses standard clinical exams. The goal is to see which approach gives better vision. The study involves 24 children and is n…

This study looks at how healthy volunteers move their eyes and head when searching for a target (a tank) in images that simulate night vision goggles compared to normal vision. Ten participants will sit in front of a large screen and use a game controller to indicate which direct…