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Eye Exams Q & A

Dr. Mary Espy must conduct an eye exam for you to receive proper vision correction.

As a general and medical optometrist in Flint, Michigan, she commonly performs eye examinations that measure your visual acuity to provide you with an accurate prescription. Eye exams help her detect astigmatism, nearsightedness, farsightedness, presbyopia, as well as eye teaming problems. These conditions all may require special types of lenses. If you need help improving your vision, schedule an eye exam today by calling or requesting an appointment online.


What is an eye exam?

The purpose of an eye exam is to measure your visual acuity and help it reach its optimum performance.

Dr. Mary Espy conducts an eye exam to provide you with a prescription for glasses or contact lenses or to diagnose astigmatism. The process involves a survey of your medical history and any current vision problems in addition to testing your vision.

What can I expect during an eye exam?

Dr. Espy typically first asks about your medical history and any current vision problems you may be experiencing. She then measures your eye pressure and your eye’s physical condition using lights to inspect your eye’s interior. Any further tests depend on your situation.

After these initial measures, Dr. Espy conducts the visual acuity test, asking you to identify letters of decreasing size on a chart. She examines each eye separately since, in many cases, they require different prescriptions.

A multitude of other tests, some necessary and some optional, are available to thoroughly check your eye’s health and functioning, such as:

  • A visual field test
  • Eye function testing
  • Color vision testing
  • A retinal examination

What are possible results I can expect from an eye exam?

After your eye exam, Dr. Espy discusses your results and provides a prescription if necessary. In addition to visual acuity results, you might learn about an astigmatism diagnosis or your risk of eye disease and prudent measures to protect your vision.

Normal results include:

  • 20/20 vision
  • Good peripheral vision
  • Ability to distinguish various colors
  • Normal-appearing structures of the external eye
  • No signs of cataracts, glaucoma, or retinal disorders

If you do need to take measures to correct your vision, you may choose between two types of corrective lenses:

  • Eyeglasses
  • Contact lenses

In certain cases, Dr. Mary Espy discusses other abnormal results that may put the health of your eyes in jeopardy, including next steps and the potential for further testing. Visit Dr. Espy to confirm any necessary measures to correct or protect your eyesight.