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When you visit an eye doctor, you may be coming for a routine eye examination or because you are experiencing a problem with your vision. Through performing a complete eye examination, the experienced doctors of Maryland Eye Associates are frequently able to identify medical conditions that have an impact on your eyes. Regular eye examinations can help to identify other medical conditions in their earliest stages. Our board certified ophthalmologists offer a variety of tests and procedures for a thorough examination of your eyes as part of our comprehensive vision care. We run a series of specialized tests to evaluate you for the following conditions:

  • Cataracts
  • Diabetic Retinopathy
  • Dry eye
  • Glaucoma
  • Presbyopia
  • Refractive errors
  • Retinal diseases
  • Vision Correction
  • Others

You can also rely on our team if you or a family member experiences any sort of eye injury. Contact us immediately if you experience eye discomfort or changes in your vision. 

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Exam Duration

Complete eye exams typically last about one hour. Your time in our office may be longer depending on your specific needs and which in-house tests may be needed.Your exam may include dilation of your pupils.

Glaucoma Testing

We routinely assess your eye pressure during eye exams by “applanation,” as increased eye pressure may be the first sign of glaucoma. Applanation, as opposed to an air puff, is a direct and very accurate measurement of your eye pressure taken with a blue light and a special dye. There is no “puff.”

Risk factors for glaucoma include:

  • Aberrations in nerve fibers of your retina
  • Appearance of your optic nerve
  • Changes in visual field
  • Eye pressure
  • Family history of glaucoma
  • Race

Learn more about glaucoma.

Ocular Motility

We use several methods to assess proper ocular motility or eye movements such as: do your eyes move together? Strabismus is a common childhood motility problem, but misalignment can occur in adults too. Patients with thyroid disease or orbital trauma can often have ocular motility problems.


Refraction is the actual determination of your eyeglass prescription. Using a phoropter and retinoscope, we can accurately measure your degree of nearsightedness, farsightedness, and determine any degree of astigmatism. Refraction is an important part of any comprehensive eye examination as it can be an early indication of a variety of eye diseases, such as diabetes, cataract, dry eye or keratoconus.

Watch the video below to learn more about refraction tests.

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Learn more about refractive errors.

Refraction Fee Notice for Patients

There are two parts to your eye examination, which are billed separately.

  • The first charge includes the fee for the doctor to evaluate the health of your eyes. This charge is billable to your insurance company, and also to Medicare.
  • The second (vision) portion of your exam is called a “refraction,” which is a test performed to determine the best corrective lenses to be prescribed for each eye.

Although a refraction is a very important vision test, it is considered a non-medical procedure. Medicare and most insurance plans do not pay for this service, the fee of which is now $65.00, effective March 1, 2023.

We request that payment for this service be made at the time of your visit. Thank you.

Visual Acuity Testing

Visual acuity testing, also known as reading the eye chart, is one of the first tests we will perform at your eye exam. Your visual acuity, how well you see with or without glasses, can help us determine if you need prescription lenses.

Slit Lamp Examination

A slit lamp is a specialized binocular microscope that allows us to examine the eye and its structures under high magnification. The slit lamp examination, in conjunction with pupil dilation, allows your eye doctor to look at the structures of the eye.

The slit lamp examination evaluates the following:

  • Cornea – corneal scars and infections can decrease vision
  • Lens – cataracts, which are easily diagnosed with the slit lamp
  • Lids and lid margins – blepharitis, meibomitis are common
  • Optic nerve – evidence of glaucoma may first show up here
  • Retina – bleeding, retinal tears can be detected when your pupils are dilated
  • Tear film – any evidence of dry eye?
  • Vitreous – bleeding, infection, floaters are easily seen with your eyes dilated

Adolescent Care

Just like for adults, regular eye examinations should be part of your annual health care plan for your children. As you know, vision problems can frequently hinder your child’s ability to learn and to effectively interact with their world. Regular vision examinations can also help to identify other medical problems. The team at Maryland Eye Associates, including Dr. Wanner, Dr. Berry and Dr. Chang, will evaluate your children aged 16 and above, and prescribe correction actions for their vision. Establishing regular visits to your eye care professional is essential to your child’s visual health care. Make an appointment today to bring your son or daughter to visit Maryland Eye Associates.

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