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Eye Health Center

 

Our vision is easy to take for granted ...until we lose vision or experience an eye related problem. Many diseases and conditions can affect the eye. Crown Vision Center eye doctors can help diagnose and treat specific diseases or conditions early with a routine eye exam or vision test.  Routine eye exams are critical to limiting the degenerative nature of many eye diseases and conditions.  Schedule your routine eye exam today.

Vision Testing

Vision tests check many different functions of the eye. The tests measure your ability to see details at near and far distances, check for gaps or defects in your field of vision, and evaluate your ability to see different colors.

  • Visual acuity tests are the most common tests used to evaluate eyesight. They measure the eye's ability to see details at near and far distances. The tests usually involve reading letters or looking at symbols of different sizes on an eye chart. Usually, each eye is tested by itself. And then both eyes may be tested together, with and without corrective lenses (if you wear them). Several types of visual acuity tests may be used.
  • Refraction is a test that measures the eyes' need for corrective lenses (refractive error). It is usually done after a visual acuity test. Refractive errors, such as nearsightedness or farsightedness, occur when light rays entering the eye can't focus exactly on the nerve layer (retina) at the back of the eye. This causes blurred vision. Refraction is done as a routine part of an eye examination for people who already wear glasses or contact lenses, but it will also be done if the results of the other visual acuity tests show that your eyesight is below normal and can be corrected by glasses.
  • Visual field tests are used to check for gaps in your side (peripheral) vision. Your complete visual field is the entire area seen when your gaze is fixed in one direction. The complete visual field is seen by both eyes at the same time, and it includes the central visual field-which detects the highest degree of detail-and the peripheral visual fields.
  • Color vision tests check your ability to distinguish colors. It is used to screen for color blindness in people with suspected retinal or optic nerve disease or who have a family history of color blindness. The color vision test is also used to screen applicants for jobs in fields where color perception is essential, such as law enforcement, the military, or electronics. Color vision tests only detect a problem-further testing is needed to identify what is causing the problem.

How often should you have a routine eye exam as you age:

For adults without vision problems:

  • Starting at age 40, when presbyopia often develops, screening every 2 to 5 years may be appropriate.
  • Starting at age 50, yearly exams should be conducted for age-related vision problems.
  • For people with diabetes, yearly eye exam.
  • For people with a disease that affects the eyes, yearly eye exams may be appropriate.

For adults with refractive errors (nearsightedness, farsightedness, astigmatism) or other eye problems:

  • Between the ages of 19 and 40, have an eye exam every 2 years, or more often if needed.
  • At age 50 and older, have yearly eye exams, or more often if needed.
  • The AAP recommends that vision screening start around age 3 and occur each year at ages 4, 5, and 6. After that, screening should occur at ages 8, 10, 12, 15, and 18.
  • It is recommended that eye exams should be conducted once a year for children and teens with refractive errors that impact their sight. If nearsightedness is severe or quickly gets worse in a child, he or she will need exams more often.

Major Eye Diseases

Age related eye diseases are the leading causes of vision impairment and blindness in the United States. The number of Americans at risk for age-related eye diseases is increasing as the baby-boomer generation ages. These conditions, including macular degeneration, cataract, and glaucoma affect more Americans than ever before.

Usually, the earlier your vision problem is diagnosed, the better your chances of a successful treatment and keeping your remaining vision. Regular dilated eye exams should be part of your routine health care. However, if you think your vision has recently changed, you should see your Crown Vision Center eye doctor as soon as possible.

The information provided on this web site does not substitute the advice, skill and experience of our professionals. You should always speak with your eye doctor immediately if you notice a change in vision or experience any unusual symptoms.

Call 1-800 EYECARE or click here to schedule an eye exam at any of our Crown Vision Center locations.

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