Comprehensive Eye Examination and Vision Tests

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Your eyes allow you to see your surrounding environment. Without your eyes, it would surely be very difficult to perform the activities of daily living by yourself. That is why it is very essential to take care of your eyes and make sure that it is in its best condition possible. Seeking help from an eye doctor Portland OR has can help you best take care of your eyes. The comprehensive eye examination they provide can help prevent, detect and treat possible eye problems and diseases. This includes cataracts, glaucoma, retinal detachment and evidence of possible chronic diseases.

Such diseases include diabetes, high blood pressure and high cholesterol levels. Special eye testing may also be done in order to check for corneal distortion, astigmatism, dry eye disease, glare and possible neurological diseases. A comprehensive eye examination is more than just glasses or contact lenses. It consists of various vision tests to evaluate the different functions of the eye.

The most common test used to evaluate eyesight is the visual acuity test. This measures the eye’s ability to see details at near and far distances. You will be asked to remove your glasses or contact lenses and stand twenty feet from the Snellen chart or the standardized eye chart. You must then read the letters or look at symbols of different sizes found in the chart using one eye at a time.

Another vision test is refraction. This is a test that measures your eye’s need for corrective lenses due to refractive errors such a nearsightedness or farsightedness. It is usually done after a visual acuity test. This is a routine part of an eye examination for people who already wear glasses or contact lenses. However, it may also be done if the results of the visual acuity tests show that your eyesight is below normal and can be corrected by glasses.

An eye doctor Portland OR has also performs visual field tests. This is done to check for possible gaps on your side or peripheral vision.  Your complete visual field is the entire area seen when your gaze is fixed in one direction. Moreover, color vision test is also done to check your ability to distinguish colors. It is used to screen color blindness in people with suspected retinal or optic nerve disease or who have a family history of color blindness.

An eye doctor Portland has performs these vision tests as part of the comprehensive eye examination. Regular eye checkup must be done in order to prevent eye damage and diseases and maintain optimal eye health.

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Comprehensive Eye Examination and Vision Tests

This article was published on 2011/11/16