A visual acuity assessment is an eye test that is performed at the Orbit Eye Center which measures the ability of the eye to distinguish letters or shapes from a specific distance. Central visual acuity is a key indicator of overall vision health and ocular function and it is one factor in your overall vision. Others include depth perception, color vision, and peripheral vision.
Excellent results from this test indicates that the lens and the cornea are clear and that the images received by the retina are properly focused, the afferent visual pathway is functioning, and the visual cortex has interpreted received signals appropriately.
A visual acuity assessment that is done at an ophthalmologist is more sophisticated compared to the ones done at other institutions such as a nurse’s office or the ministry of transportation. The assessment is part of a comprehensive eye exam done at the Orbit Eye Center. Parents are encouraged to have their children tested regularly in order to detect vision problems early on and prevent issues from getting worse in the future.
The results of visual acuity are expressed as a fraction, such as 20/20. Having 20/20 vision means that your visual acuity at 20 feet away from an object is normal. If you have 20/40 vision, for example, that means you need to be 20 feet away to see an object that people can normally see from 40 feet away. If your visual acuity is below 20/20, you may need corrective eyeglasses, contact lenses, or surgery depending on your condition.
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