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 refers to 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
Underlying disorders should be treated. Corrective lenses can correct visual acuity.