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Hyperopia of Both Eyes clinical trials

View clinical trials related to Hyperopia of Both Eyes.

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NCT ID: NCT04297969 Completed - Clinical trials for Astigmatism Bilateral

Hyperopia Detection GCK With Glow Fixation

Start date: October 14, 2019
Phase:
Study type: Observational

"GoCheck Kids" has added to its iPhone 7+ smart phone with flash concentrator a non-accommodating glow box fixation target. In pediatric eye patients, the "GCK" with glow box is compared to cycloplegic refraction as well as School Bus Accommodation-relaxing skiascopy, "2WIN" photoscreener and "Retinomax."

NCT ID: NCT04249505 Completed - Astigmatism Clinical Trials

Refractive Accuracy of "2WIN" and Portable Autorefractors

Start date: January 9, 2020
Phase:
Study type: Observational

Youth and some adults have photoscreening refractions and hand-held auto refraction before cycloplegia refraction during new and follow up eye examinations. Vector math is applied to each refraction to determine how closely the hand-held "dry" devices match actual refraction.