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blurry vision (decreased visual acuity, DVA)
May be most important single finding in distinguishing potentially a blinding condition from less serious disorders.
Etiology:
- ocular lens disorder
- presbyopia
- cataracts
- hyperglycemia
- optic nerve disorder
- glaucoma
- ischemic optic neuropathy
- ischemic stroke, transient ischemic attack
- brain tumor
- retinal disease
- diabetic retinopathy
- retinal detachment or retinal hemorrhage
- macular degeneration
- eye infection or eye inflammation
- dry eyes (keratitis sicca) [3]
- vitreal disorders
- vitreous hemorrhage
- floaters
- temporal arteritis
- migraine
- pharmaceuticals [2]
- amiodarone
- bisphosphonates
- carbamazepine
- chloroquine
- hydroxychloroquine
- ethambutol
- isoniazid
- minocycline
- niacin
- parasympatholytics (blurry near vision)
- phenytoin
- sildenafil
- tamoxifen
- topiramate
Also see visual acuity.
Related
visual acuity (VA)
Specific
metamorphopsia
General
visual impairment
References
- Medical Knowledge Self Assessment Program (MKSAP) 11, American
College of Physicians, Philadelphia 1998
- Geriatrics at your Fingertips, 13th edition, 2011
Reuben DB et al (eds)
American Geriatric Society
- Geriatric Review Syllabus, 8th edition (GRS8)
Durso SC and Sullivan GN (eds)
American Geriatrics Society, 2013
- Wikipedia: Blurred vision
http://en.wikipedia.org/wiki/Blurred_vision
- Shingleton BJ, O'Donoghue MW.
Blurred vision.
N Engl J Med. 2000 Aug 24;343(8):556-62. Review.
PMID: 10954765
http://www.nejm.org/doi/full/10.1056/NEJM200008243430807
- Medline Plus: Vision Problems
http://www.nlm.nih.gov/medlineplus/ency/article/003029.htm