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Marion
Cedar Bluff
Bristol
Marion 276-521-4446
Cedar Bluff 276-991-3171
Bristol, TN 423-546-4536

COMPREHENSIVE EYE EXAMS

As your eyes gradually change, so can your vision and prescription needs. That’s why regular eye exams are so important.

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Your Changing Eye Care Needs

Your eye care needs change as a result of the natural aging process and things like climate, hormones, pregnancy, medications, and the daily activities you enjoy doing. Visit Dr. Susan Keene for an annual eye exam to maintain healthy vision and quality of life. If you’re thinking, “How can I schedule an eye exam near me?”, then contact our office today. We’ll set an appointment at a time that’s convenient for you. We are conveniently located in Bristol, TN, Cedar Bluff, and Marion, VA to meet your eye health needs.

During an eye exam, Dr. Susan Keene, Dr. Amy Blue, and Dr. Lucas Spiker will not only determine your prescription for eyeglasses or contact lenses but will also check for common eye diseases, assess how your eyes work together as a team and evaluate your eyes as an indicator of your overall health.

Close-up of woman's blue eye

What Is a Comprehensive Eye Exam?

Unlike a basic eye check-up, a comprehensive eye exam involves a thorough, detailed examination of your eyes and visual abilities. During the exam, Dr. Susan Keene will ask you about your medical history, family history of any diseases or health issues, medications you may be currently taking, hospital visits, and your personal lifestyle. All of these are elements that can affect your vision.

The comprehensive eye exam includes a number of tests to assess your overall eye health. At Envision Eye Care in Marion, Virginia , we have the top-of-the-line medical equipment and cutting-edge technologies that enable us to provide you with the best quality of care that you and your family deserve.

An essential part of any comprehensive eye exam is a refraction test, or as it is more commonly called, a basic vision or eye test. This gives the doctor an idea of what kind of prescription you may need. The refraction test is simple: the patient looks through a special device called a Phoropter, focusing towards an eye chart, which is usually about 20 feet away from the chair. Dr. Susan Keene will test different lenses to see which ones give you the clearest, sharpest vision.

Based on your specific case, the doctor may perform any of the following tests:

Visual Field Test

Your visual field is the area that you see while looking at a specific object. For example, when you look at a car, your eyes are focused on it, but you may also see things that surround the car, such as flowers on the ground or rain falling on the windshield. A visual field test examines your ability to see what is in this direct area. Certain eye conditions or neurological disorders can negatively impact your visual field, which is why this test is an essential part of a comprehensive eye exam.

Binocular Vision Assessment

Similar to how binoculars allow you to use both eyes simultaneously when looking at something far away, binocular vision is the ability of your left and right eye to focus on an image or object so that your brain “translates” the image into understanding what you’re seeing. At its basic level, binocular vision means how the eyes work together as a team.

Digital Retinal Imaging

Digital retinal imaging technology allows the doctor to check the health of your retina. The image is captured from a special digital camera. The camera takes a photo of the retina, which is located in the back of the eye, and stores the image electronically. This is crucial to your vision needs because the retina helps focus light that enters your eye and sends images to the brain, so that you can ultimately understand the things you see.

Color Evaluation

A color evaluation tests the ability to differentiate between colors. It is usually done with Ishihara color plates, a series of round circles with colored dots inside that form a number. The patient studies the image, either on paper or on a computer screen, and determines if they can clearly see the number.  This is an important test because difficulty distinguishing between red and green often is a sign of color blindness.

Corneal Mapping

Corneal Mapping is a process involving the measurement of the cornea. Dr. Susan Keene will use a computerized system and/or a keratometer to collect exact details about the size and shape of your cornea. This is done to ensure that the curvature and size is correct, which allows light to enter your eye so that you can focus on images and see clearly.

OPTOS Retinal Exam

OPTOS retinal imaging is developed by Optos, a UK-based retinal imaging company. The OPTOS Retinal Exam is now available at Envision Eye Care and is unique in providing a wide range image of the retina. This wide imaging has significantly more detail than traditional eye scans, which can allow the doctor to identify and diagnose retinal problems which may be affecting your vision.

Eye Pressure Test

A tonometry test, more commonly referred to as an eye pressure test, checks the amount of intraocular pressure (IOP) in your eye. Because a high level of pressure can be a sign of Glaucoma, the eye pressure test is an essential part of any comprehensive eye exam. This test involves eye drops which numb the eye, followed by a small device that the doctor uses to gently touch the eye, checking pressure levels.

OCT Scan

Similar to a traditional CT scan, an OCT Scan (Optical Coherence Tomography) checks for eye diseases by examining the layers of your retina and optic nerve. This test involves the use of a laser with light to provide the doctor with detailed, colored images of the retina. There is no radiation and the test is painless and non-invasive.

Visual Acuity Test

Visual Acuity is the ability to see clear, sharp images from various distances. To test this skill, the doctor will instruct you to look at an eye chart in various types of bright lighting. The smallest letters or numbers that you can clearly see determines your level of visual acuity.

Peripheral Vision Assessment

Peripheral Vision is the ability to see what is to the side without moving your head. While your eyes may be focused on an image or object, you can still see things around that focal point. The doctor performs this assessment by instructing you to focus on something directly in front of you, such as a pen. Then you’ll be asked what you can see to the side or slightly away from that object. This test can determine if there is any loss of peripheral vision, which can indicate a number of eye diseases, such as Glaucoma, Diabetic Retinopathy, or Retinitis Pigmentosa.

 

Refraction Exam

A refraction exam is considered a basic part of an eye and vision evaluation. Refraction is how you see things around you. When there is an imperfection in the refraction of your eye, it causes blurry vision. The 2 main vision problems from refractive issues are nearsightedness and farsightedness. The doctor may conduct this simple test by shining a light into your eyes to check how the light bends through it, or a computerized test may also be used.

How Long Does a Comprehensive Eye Exam Take?

Due to the meticulous detail taken for your eye care, a comprehensive eye exam can take up to one hour. It’s a complete workup of your visual health, so that Dr. Susan Keene can make sure your vision is at its best, helping you enjoy life to the fullest. Eyecare experts recommend you have a complete eye exam every one to three years, depending on your age, risk factors, and physical condition.

No two patients are alike. Should the doctor discover any eye conditions that need treatment, we will create a customized treatment plan for your particular needs.

Children's Eye Exams in Marion

Because our young patients grow so quickly, their vision is vastly different than adults. Toddlers, school-age children, and adolescents each have their own needs at these various stages of life, so it’s crucial to have their eyes thoroughly examined on a regular basis. Education experts say that 80% of learning is visual. In fact, many issues related to learning and extracurricular activities can be eye-related. Some experts estimate that approximately 5% to 10% of pre-schoolers and 25% of school-aged children have vision problems.

Difficulty concentrating or acting fidgety can often be misdiagnosed as ADHD when in reality, the child has developed vision problems. Symptoms can include headaches, tiredness from schoolwork or playing sports, or excessive squinting at the board. Children develop rapidly, especially in the early childhood years. This is why doctors recommend regular exams to check how their vision is advancing and to detect any potential problems. The American Optometric Association (AOA) recommends regular eye exams at age 6 months, 3 years, when a child begins school, and every 2 years after that.

Thoughtful Kid Looking At Tablet While Resting On Soft Tapis Ins

Children with existing vision problems or risk factors should have their eyes examined more frequently. Common risk factors for vision problems include:

  • premature birth
  • developmental delays
  • turned or crossed eyes
  • family history of eye disease
  • history of eye injury
  • other physical illness or disease

Read more about Pediatric Eye Exams.

Adult's Eye Exams in Marion

The AOA also recommends an annual eye exam for any adult who wears eyeglasses or contacts. If you don’t normally need vision correction, you still need an eye exam every two to three years up to the age of 40, depending on your rate of visual change and overall health. Doctors often recommend more frequent examinations for adults with diabetes, high blood pressure and other disorders, because many diseases can have an impact on vision and eye health.

If you are over 40, it’s a good idea to have your eyes examined every one to two years to check for common age-related eye problems such as presbyopia, cataracts and macular degeneration.

Because the risk of eye disease continues to increase with advancing age, everyone over the age of 60 should be examined annually.

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