Farsightedness

(Hyperopia)
  • Definition

    People with farsightedness, or hyperopia, usually have difficulty seeing close objects. In severe cases, they can have trouble seeing objects both far and near.
  • Causes

    Farsightedness is a type of refractive error, which means the shape of the eye does not bend light correctly, so images are blurred. In farsightedness, the eyeball is too short for light rays to clearly focus on the retina.
    Interior of the Eye
    eye anatomy 2
    Light rays are precisely focused on the retina (orange) in good vision.
    Copyright © Nucleus Medical Media, Inc.
  • Risk Factors

    Farsightedness is more likely to occur in people who have family members with the same condition.
  • Symptoms

    Symptoms may include:
    • Difficulty focusing on objects up close
    • Blurred vision
    • Headache
    • Eyestrain
  • Diagnosis

    A vision specialist will ask about your symptoms and medical history. You will be given an eye exam and checked to see if prescription lenses will help improve your vision.
  • Treatment

    Talk with your doctor about the best treatment plan for you. Options include:
    Corrective Lenses
    Farsightedness can be treated using corrective lenses, such as eyeglasses or contact lenses. Your doctor will see you at regular intervals to assess your vision and determine if your corrective lenses prescription needs to change.
    Refractive Surgery
    If you elect to undergo the procedure, certain forms of farsightedness may be treated with refractive surgery. The surgeries used to treat farsightedness focus on changing the corneas shape to increase the eye's ability to focus. Many of these procedures are done using lasers.
  • Prevention

    There are no current guidelines to prevent farsightedness.
  • RESOURCES

    American Academy of Ophthalmology http://www.aao.org

    National Eye Institute http://www.nei.nih.gov

    CANADIAN RESOURCES

    Canadian Ophthalmological Society http://www.eyesite.ca

    Health Canada http://www.hc-sc.gc.ca

    References

    Facts about hyperopia. National Eye Institute website. Available at: http://www.nei.nih.gov/health/errors/hyperopia.asp . Updated October 2010. Accessed July 11, 2013.

    Farsightedness: Hyperopia treatment. American Academy of Ophthalmology website. Available at: http://www.geteyesmart.org/eyesmart/diseases/hyperopia-treatment.cfm . Accessed July 11, 2013.

    Hyperopia (farsightedness). American Optometric Association website. Available at: http://www.aoa.org/patients-and-public/eye-and-vision-problems/glossary-of-eye-and-vision-conditions/hyperopia . Accessed July 11, 2013.

    Hyperopia (farsightedness). University of Michigan Kellogg Eye Center website. Available at: http://www.kellogg.umich.edu/patientcare/conditions/hyperopia.html . Accessed July 11, 2013.

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