Vision impairment; Impaired vision; Blurred vision
Vision changes and problems can be caused by many different conditions. Some include:
Medicines may also affect vision.
Regular eye checkups from an ophthalmologist or optometrist are important. They should be done once a year if you are over age 65. Some experts recommend annual eye exams starting at an earlier age.
How long you go between exams is based on how long you can wait before detecting an eye problem that has no symptoms. Your provider will recommend earlier and more frequent exams if you have known eye problems or conditions that are known to cause eye problems. These include diabetes or high blood pressure.
These important steps can prevent eye and vision problems:
There are many types of eye problems and vision disturbances, such as:
Vision loss and blindness are the most severe vision problems.
See your health care provider if you have any problems with your eyesight.
Your provider will check your vision, eye movements, pupils, the back of your eye (called the retina), and eye pressure. An overall medical evaluation will be done if needed.
It will be helpful to your provider if you can describe your symptoms accurately. Think about the following ahead of time:
The provider will also ask you about any eye problems you have had in the past:
The provider will also ask about your general health and family history:
The following tests may be performed:
Treatments depend on the cause. Surgery may be needed for some conditions.
Seek emergency care from a provider who is experienced in dealing with eye emergencies if:
Get a complete eye exam if you have:
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Thurtell MJ, Tomsak RL. Visual loss. In: Daroff RB, Jankovic J, Mazziotta JC, Pomeroy SL, eds. Bradley's Neurology in Clinical Practice. 7th ed. Philadelphia, PA: Elsevier Saunders; 2016:chap 16.
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Review Date: 8/20/2016
Reviewed By: Franklin W. Lusby, MD, ophthalmologist, Lusby Vision Institute, La Jolla, CA. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.
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