myopia
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Key facts
- Medical condition (new).name
- Myopia
- Medical condition (new).image
- Myopia.gif
- Medical condition (new).caption
- Diagram showing changes in the eye with myopia
- Medical condition (new).field
- Ophthalmology, optometry
- Medical condition (new).synonyms
- near-sightedness, short-sightedness
- Medical condition (new).symptoms
- Distant objects appear blurry, headaches, eye strain
- Medical condition (new).complications
- Retinal detachment, cataracts, glaucoma
- Medical condition (new).duration
- Typically permanent once it develops
- Medical condition (new).causes
- Combination of genetic and environmental factors
- Medical condition (new).risks
- Near work, greater time spent indoors, family history
- Medical condition (new).diagnosis
- Eye examination
Article
36 sectionsContents
- Signs and symptoms
- Causes
- Genetics
- Environmental factors
- Other factors
- Mechanism
- Diagnosis
- Types
- Degree
- Age at onset
- Prevention and control
- Spending time outdoors
- Glasses and contacts
- Medication
- Other methods
- Treatment
- Glasses and contacts
- Surgery
- Photorefractive keratectomy
- LASIK
- Phakic intra-ocular lens
- Orthokeratology
- Intrastromal corneal ring segment
- Alternative medicine
- Epidemiology
- Asia
- Europe
- North America
- Australia
- South America
- History
- Society and culture
- Correlations
- Etymology
- See also
- References
Myopia, also known as near-sightedness and short-sightedness, is an eye condition where light from distant objects focuses in front of, instead of on, the retina. As a result, distant objects appear blurry, while close objects appear normal. Other symptoms may include headaches and eye strain. Severe myopia is associated with an increased risk of macular degeneration, retinal detachment, cataracts, and glaucoma.
Myopia results from the length of the eyeball growing too long or less commonly the lens being too strong. It is a type of refractive error. Diagnosis is by the use of cycloplegics during eye examination.