Eyesight

Common Causes of Vision Problems

HealthCentral Editorial Team Mar 26, 2012 (updated Jan 10, 2014)
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Presbyopia
Presbyopia
Presbyopia is when you have difficulty focusing on objects that are close. It often becomes noticeable in your early to mid 40s.
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Cataracts
Cataracts
Cataracts are a cloudiness over the eye lens, causing poor nighttime vision, halos around lights, and sensitivity to glare. Daytime vision is eventually affected and it is common in the elderly.
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Glaucoma
Glaucoma
Glaucoma is an increased pressure in the eye, causing poor night vision, blind spots, and loss of vision to either side. A major cause of blindness. Glaucoma can happen gradually or suddenly -- if sudden, it's a medical emergency.
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Diabetic retinopathy
Diabetic retinopathy
Diabetic retinopathy is a complication of diabetes and can lead to bleeding into the retina. Another common cause of blindness.
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Macular degeneration
Macular degeneration
Macular degeneration is the loss of central vision, blurred vision (especially while reading), distorted vision (like seeing wavy lines), and colors appearing faded. The most common cause of blindness in people over age 60.
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Floaters
Floaters
Floaters are tiny particles drifting across the eye. Although often brief and harmless, they may be a sign of retinal detachment.
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Optic neuritis
Optic neuritis
Optic neuritis is an inflammation of the optic nerve from infection or multiple sclerosis. You may have pain when you move your eye or touch it through the eyelid.
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Temporal arteritis
Temporal arteritis
Temporal arteritis is an inflammation of an artery in the brain that supplies blood to the optic nerve.
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Migraine
Migraine
Migraines produce spots of light, halos, or zigzag patterns and are common symptoms prior to the start of the headache.
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Retinal detachment
Retinal detachment
The symptoms of retinal detachment include floaters, flashes of light across your visual field, or a sensation of a shade or curtain hanging on one side of your visual field.