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Refractive Errors

The cornea and lens of your eye helps you focus. Refractive errors are vision problems that happen when the shape of the eye keeps you from focusing well. The cause could be the length of the eyeball (longer or shorter), changes in the shape of the cornea, or aging of the lens.

Four common refractive errors are:

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Results 1 - 10 of 202 for Myopia
  1. Refractive Errors (National Library of Medicine)  
    ... and lens of your eye helps you focus. Refractive errors are vision problems that happen when the shape ... cornea, or aging of the lens. Four common refractive errors are: Myopia, or nearsightedness - clear vision close up ...
  2. Deafness and myopia syndrome is a disorder that causes problems with both hearing and vision. People with this disorder have moderate to profound hearing loss ...
  3. ... objects appear blurred. Nearsightedness is a type of refractive error of the eye. If you are nearsighted, you ... in your environment may affect the development of myopia. Recent research suggests that more time outdoors may ...
  4. Refractive Errors From the National Institutes of Health (National Eye Institute)  
    Refractive Errors/Start Here ... Refractive Errors ... National Eye Institute ... From the National Institutes of Health ... Refractive errors are a type of vision problem ...
  5. ... blurry. This blurriness is referred to as a "refractive error." It is caused by a mismatch between the ... use glasses or contact lenses because of nearsightedness (myopia). It is sometimes used to correct farsightedness. It ...
  6. Refractive Errors in Children (American Association for Pediatric Ophthalmology and Strabismus)  
    Refractive Errors/Children ... Refractive Errors ... American Association for Pediatric Ophthalmology and Strabismus ... GLOSSARY, TERMS, ACRONYMS, PHRASES, DEFINITIONS, ...
  7. Types of Refractive Errors From the National Institutes of Health (National Eye Institute)  
    Refractive Errors/Start Here ... Refractive Errors ... National Eye Institute ... From the National Institutes of Health ... Refractive errors happen when the shape of your ...
  8. Nearsightedness, also known as myopia, is an eye condition that causes blurry distance vision. People who are nearsighted have more trouble seeing things that are ... less than -5 or -6 diopters as "common myopia." Nearsightedness of -6 diopters or more is commonly ...
  9. Treatment of Increasing Myopia in Children (American Association for Pediatric Ophthalmology and Strabismus)  
    Refractive Errors/Children ... Refractive Errors ... American Association for Pediatric Ophthalmology and Strabismus ... GLOSSARY, TERMS, ACRONYMS, PHRASES, DEFINITIONS, ...
  10. Progressive (High) Myopia (American Association for Pediatric Ophthalmology and Strabismus)  
    Refractive Errors/Specifics ... Refractive Errors ... American Association for Pediatric Ophthalmology and Strabismus ... GLOSSARY, TERMS, ACRONYMS, PHRASES, DEFINITIONS, ...
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