
Many patients think that if their vision hasn't changed, they don't need an eye exam. But a comprehensive eye exam is so much more than just checking your vision and getting new glasses. Most importantly, it checks the health of the inside of the eyes. Essentially, it's like an annual physical for the eyes.
Vision screenings are a great way to quickly assess your distance vision. However, there are multiple other factors in your overall vision, such as how well the eyes function as a team, color vision, peripheral vision, depth perception, or near vision. The most important thin that a vision screening lacks is that it doesn't take a look at the health of the eyes.
Vision screenings are often conveniently offered in many places – schools, health fairs, at the doctor's or pediatrician's office, or at the BMV when getting your driver's license. However, even if your pediatrician, internist, or nurse checks your vision, they are not trained in the full evaluation of the eyes and are unable to check visual function and visual health. And a screening such as this is not considered an eye exam.
Since many vision screenings simply check your visual acuity, or your ability to see 20/20, they are limited to a simple eye chart across the room. Often times the testing distance and room lighting are inadequate. Finally, without equipment such as a phoropter and slit lamp, a full visual and ocular evaluation is impossible.
A comprehensive eye exam evaluates the front surface of your eyes and inside your eyes to look for any signs of eye disease like glaucoma as well as systemic disease, like diabetes. The following are not evaluated in a vision screening:
External Exam – This evaluates the front of the eyes like the eyelids, lashes, cornea, and iris.
Internal Exam – This evaluates the inside of the eyes like the lens, vitreous, retina, and optic nerve. Typically this is evaluated when the eyes are dilated. At Eyes on Dover, we have the option to evaluate the inside of your eyes with a digital retinal image. Check out our blog post here to learn more!
Visual Acuity & Refraction – This is a test of your vision and how clearly you are able to see. We aim to improve visual acuity by testing your vision with different lenses (this is called refraction) and it's how we get you a new prescription with glasses and contacts.
Ocular Function – This testing involves checking depth perception, color vision, side vision, how the pupils react to light, as well as binocular function: how the eyes work together and move as a team.
Eye pressure – Testing the pressure in your eyes is an essential part of an comprehensive eye evaluation to check for diseases like glaucoma or even inflammation, which can increase the pressure in the eyes and cause permanent vision loss.

"The eyes are the window to the soul." And to the rest of the body! When your eye doctor evaluates your eyes, they take a comprehensive and holistic view of your family history, health history, and even medications to fully evaluate your risks for certain diseases and complications. It's important to provide your eye doctor with accurate information regarding your health, medications, and even lifestyle, like smoking. All of this information helps your eye doctor make accurate assessments about your eyes and health.
The American Optometric Association recommends an eye exam at least annually, and some people may need more frequent follow ups based on your individual needs.
Call or text us at 440-256-6894 to schedule a comprehensive eye exam at our office here in Westlake! We can't wait to see you and make sure your vision- and your eyes- are at their best!