A refractive error, or refraction error, is an error in the focusing of light by the eye and a frequent reason for reduced visual acuity. ==Classification== An eye that has no refractive error when viewing distant objects is said to have emmetropia or be emmetropic meaning the eye is in a state in which it can focus parallel rays of light (light f...
Found on
http://en.wikipedia.org/wiki/Refractive_error
error of refraction.
Found on
http://www.encyclo.co.uk/local/21001
In human vision, a defect in the ability of the eye to focus an image accurately. Common errors are astigmatism, hyperopia and myopia; half the world's population requires some kind of vision correction.
Found on
http://www.encyclo.co.uk/local/21361
Optical defect in an unaccommodating eye; parallel light rays are not brought to a sharp focus precisely on the retina, producing a blurred retinal image Can be corrected by eyeglasses, contact lenses, or refractive surgery
Found on
http://www.eyeglossary.net/
The degree at which light reaches the back part of the eye; it includes hyperopia, astigmatism, and myopia.
Found on
https://www.encyclo.co.uk/local/22233
abnormal shape of the cornea that results in decreased vision. This type of problem can usually be corrected with glasses or contacts.
Found on
https://www.stanfordchildrens.org/en/topic/default?id=pediatric-glossary---
No exact match found.
