REFRACTIVE ERRORS
Clinical trials for REFRACTIVE ERRORS explained in plain language.
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New turkish eye test could replace old snellen chart
Diagnosis Not yet recruitingThis study checks if a Turkish version of the DDIVAT device, shown on a smart TV, measures eyesight as well as the standard Snellen chart. About 200 Turkish-speaking adults (18 and older) will take both tests to see if the results match. No medications or risks are involved.
Matched conditions: REFRACTIVE ERRORS
Sponsor: Trakya University • Aim: Diagnosis
Last updated May 22, 2026 13:51 UTC
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Eye-Opening study: how your prescription shapes your optic nerve
Knowledge-focused Not yet recruitingThis study looks at how being nearsighted or farsighted affects the optic nerve and retina. Researchers will use a special camera (OCT) to measure eye structures in 266 adults. The goal is to better understand these links, not to test a treatment.
Matched conditions: REFRACTIVE ERRORS
Sponsor: Assiut University • Aim: Knowledge-focused
Last updated May 26, 2026 09:36 UTC
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New study to uncover why some see better after laser eye surgery
Knowledge-focused Not yet recruitingThis study looks at what makes vision clear or blurry in people with normal eyes and after laser eye surgery. Researchers will measure pupil size, eye surface shape, and vision symptoms in 300 adults aged 18 to 45. The goal is to understand how these factors affect visual quality…
Matched conditions: REFRACTIVE ERRORS
Phase: NA • Sponsor: Tianjin Eye Hospital • Aim: Knowledge-focused
Last updated May 26, 2026 09:34 UTC
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3000 residents to have eyes checked in landmark county vision study
Knowledge-focused Not yet recruitingThis study will check the eyes of 3,000 people in Xinxing County to see how common vision problems like needing glasses or cataracts are, and how well they are being treated. Participants include school children, seniors over 65, and people with diabetes. The goal is to measure a…
Matched conditions: REFRACTIVE ERRORS
Sponsor: Zhongshan Ophthalmic Center, Sun Yat-sen University • Aim: Knowledge-focused
Last updated May 26, 2026 08:19 UTC
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New study aims to help more people in rural assam get the eye care they need
Knowledge-focused Not yet recruitingThis study looks at why many people in rural Assam who are referred for eye care do not go to the hospital for treatment. Researchers will test a program that includes patient navigation, transport help, and reminders to improve the number of people who complete their hospital vi…
Matched conditions: REFRACTIVE ERRORS
Phase: NA • Sponsor: Seva Canada Society • Aim: Knowledge-focused
Last updated May 18, 2026 12:07 UTC