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Blurry Vision

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Blurry vision is the loss of sharpness of eyesight, meaning objects appear out of focus or hazy. The primary cause of this is refractive errors. Refractive errors are nearsightedness, farsightedness, astigmatism, or presbyopia. While those are the common causes of blurry vision, it can also be caused by more serious problems like sight-threatening eye diseases or neurological disorders. If vision becomes blurry suddenly, it could be a symptom of a serious eye problem.

More serious eye conditions and diseases can cause permanent loss of vision. Serious eye problems include:

  • Cataract: Blurred or cloudy vision, and halos around lights can be symptoms of cataracts. If left untreated, it can worsen to the point of blindness.
  • Glaucoma: Blurred or “tunnel vision” may be signs of glaucoma. If left untreated, blindness can be the end result.
  • Age-related macular degeneration: Blurred or distorted vision may be signs of age-related macular degeneration (AMD). With AMD, straight lines may appear wavy or broken. There is no cure for AMD, but it can be treated.
  • Diabetic retinopathy: Diabetes affects all parts of your body, including your eyes. All people with diabetes will have some degree of diabetic retinopathy in their lifetime. It is treatable, but not curable.
  • Cardiovascular disease and other systemic disease: Blurred or double vision can also be a sign of an underlying health emergency, such as a stroke.

If you notice any of the above symptoms suddenly or increasingly, you should see your eye doctor immediately. For more information click: