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Definition
By Mayo Clinic staff
Nearsightedness (myopia) is a common vision condition in which you can see objects near to you clearly, but objects farther away are blurry.
The degree of your nearsightedness affects your ability to focus on distant objects. People with severe nearsightedness can see clearly only objects just a few inches away, while those with mild nearsightedness may clearly see objects up to several yards away.
Nearsightedness may develop gradually or rapidly, often worsening during childhood and adolescence. Nearsightedness tends to run in families.
A basic eye exam can confirm nearsightedness. You can easily correct the condition with eyeglasses or contact lenses. Another treatment option for nearsightedness is surgery.
- Preferred practice patterns: Refractive errors and refractive surgery. American Academy of Ophthalmology. http://one.aao.org/CE/PracticeGuidelines/PPP_Content.aspx?cid=e6930284-2c41-48d5-afd2-631dec586286. Accessed Dec. 20, 2011.
- Facts about myopia. National Eye Institute. http://www.nei.nih.gov/health/errors/myopia.asp#7. Accessed Dec. 21, 2011.
- Myopia (nearsightedness) American Optometric Association. http://www.aoa.org/myopia.xml. Accessed Dec. 20, 2011.
- Refractive error. The Merck Manuals: The Merck Manual for Healthcare Professionals. http://www.merckmanuals.com/professional/eye_disorders/refractive_error/overview_of_refractive_error.html. Accessed Dec. 20, 2011.
- Frequency of ocular examinations. American Academy of Ophthalmology. http://one.aao.org/CE/PracticeGuidelines/ClinicalStatements_Content.aspx?cid=810eaf61-181e-41c8-a0e8-e1d122efe5a4. Accessed Dec. 20, 2011.
- Mian SI. Visual impairment in adults: Refractive disorders and presbyopia. http://www.uptodate.com/home/index.html. Accessed Dec. 21, 2011.
- Opticians, dispensing. U.S. Department of Labor. http://www.bls.gov/oco/ocos098.htm. Accessed Dec. 20, 2011.
- Eye health tips. National Eye Institute. http://www.nei.nih.gov/healthyeyes/eyehealthtips.asp. Accessed Dec. 21, 2011.
- Robertson DM (expert opinion). Mayo Clinic, Rochester, Minn. Dec. 29, 2011.
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