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Refractive Errors Other Information |
Astigmatism; Farsightedness; Hyperopia; Nearsightedness |
Normal vision. Courtesy NIH National Eye Institute The same view when myopic. Myopia, sometimes called near-sightedness or short-sightedness[1], is a refractive defect of the eye in which collimated light produces image focus in front of the retina when accommodation is relaxed. This may be caused by a defect of the cornea (generally where the cornea protrudes too far outward from the eye) or from elongation of the eye structure itself (generally the eye is too long). Those with myo ...
Wikipedia - [full article]
From the WEST scientific·clinical |
From the EAST traditional·alternative |
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Farsightedness
... People with farsightedness (hyperopia) have difficulty focusing on objects that are close, such as print in a book. More severe farsightedness would also cause problems with seeing objects in the dist...
Source: Cleveland Clinic
Overview ... Farsightedness (hyperopia) is a common vision condition in which you can see objects in the distance clearly, but objects nearby are blurry. If you''re farsighted, your eye is probably too short from ...
Source: MayoClinic
Vision Correction: Taking a Look at What''s New ... by Carol Lewis Vision correction has come a long way since the 13th century when the first pair of spectacles was made by riveting together the handles of two magnifying lenses. Today, surgical develo...
Source: U.S. Food and Drug Administration
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