Eyeglass Doctor

Are there Different Eye Exams for Contact Lenses and Eyeglasses ...

When acquiring glasses or contacts, one must have an eye exam. Most people do not think about whether there is a difference between the two exams. There are actual distinct differences between an eye exam for eyeglasses and an eye exam for contact lenses.

The following describes the differences with an eye exam for eyeglasses and an exam for contact lenses:

Eye Exam for Eyeglasses

The purpose of an eye exam is to diagnose problems with ones vision and any diseases of the eye. You will be required to read an eye chart. This includes reading with both eyes than each on their own. The eye doctor will then perform a Retinoscopy. In a darkened exam room, the doctor will provide you with a point to stare at, and then the doctor will shine a light in the eye. How the light bounces off the eye is a determining factor in what the strength of your eyeglass prescription will be. The eye doctor will also perform a Refraction test. A device called a Phoropter is used to perform the test. You will look through a mask device held up to your face and the doctor will show you a series of letters and ask you to state which one is clearer. The doctor will be flipping lenses in the mask to different strengths. This test determines whether one has nearsightedness, farsightedness, astigmatism, and/or presbyopia. The eye doctor will then perform a slit-lamp exam. This device allows the doctor to assess the structures of the eye. It is used to identify eye infection and eye disease.

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