Refractive Error
Current as of: May 5, 2019
Author: Healthwise Staff
Medical Review:Adam Husney, MD – Family Medicine & Christopher Joseph Rudnisky, MD, MPH, FRCSC – Ophthalmology
Refractive error is a condition that causes blurred vision when light rays entering the eye meet in front of or behind the retina rather than directly on it. Normally, light rays are bent (refracted) by the cornea and lens and focus directly on the retina, the nerve layer at the back of the eye, which results in clear…