Blurred vision
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor-In-Chief:
Overview
Blurred vision is a common ocular symptom which is define as a sudden or gradual loss of clarity or sharpness of vision and difficulty to see fine details.It can present unilateral or bilateral.Blurred vision may result from refractive errors, opacity of structures (lens, cornea, vitreous), retina disorder or optic nerve disease.
Causes
Blurred vision is caused by a wide range of eye conditions.
Common causes
- Refractive errors (most common)
- Age-related macular degeneration
- Cataracts
- Presbyopia
- Diabetes retinopathy
- Glaucoma
- Corneal opacification or scarring
- Migraine
- Optic neuritis
- Cerebrovascular disease
- Drugs
Treatment
Depends upon the cause, underlying disorders should be addressed. Corrective lenses may correct visual acuity in refractive errors.