Eye examination
Eye examination
An eye examination is a series of tests performed by an optometrist or ophthalmologist to assess a person's vision and ability to focus on and discern objects. It also includes tests to check the health of the eyes.
Pronunciation
Eye examination: /aɪ ɪɡˈzæmɪˌneɪʃən/
Etymology
The term "eye examination" is derived from the English words "eye", referring to the organ of sight, and "examination", meaning a detailed inspection or investigation.
Procedure
An eye examination typically involves a series of tests to evaluate the patient's vision and check for eye diseases. These tests range from simple ones, like having the patient read an eye chart, to complex tests, such as using a high-powered lens to visualize the tiny structures inside of the eyes.
Related Terms
- Visual acuity: Clarity or sharpness of vision.
- Refraction test: A test to determine the correct prescription for eyeglasses or contact lenses.
- Glaucoma test: A test to measure the pressure inside the eye.
- Slit lamp examination: A test that uses a high-intensity light source to illuminate the eyelid, sclera, lens, and cornea.
- Dilated eye exam: A test that involves dilating the pupils with eye drops to allow a more thorough examination of the eye's interior.
Importance
Regular eye examinations are important because they can detect eye diseases and conditions that can lead to vision loss or blindness. These include glaucoma, macular degeneration, diabetic retinopathy, and cataracts. Early detection of these conditions allows for more treatment options and a better prognosis.
External links
- Medical encyclopedia article on Eye examination
- Wikipedia's article - Eye examination
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