Astigmatism
Astigmatism may be present from birth or develop with age, injuries, or diseases causing blurred vision. Learn about symptoms, diagnosis, treatments.
Symptom Checker
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Refractive errors
Blurred vision
Blurred vision can happen due to fatigue or eye irritation, but it may also mean there is a serious issue. Learn what to do for sudden blurry vision.
Long-sightedness (hyperopia)
Long-sightedness (hyperopia) is a common eye problem that makes close objects seem blurred. Learn about the causes and treatment of long-sightedness.
Presbyopia
Presbyopia is a condition where your eyes become less able to focus as you age. Learn how presbyopia changes your vision and how it can be corrected.
Short-sightedness (myopia)
Short-sightedness, or myopia, is a common eye problem that makes distant objects to appear blurred. Learn how it affects vision and how it is treated.