What Is An Eye Exam?

Eye Anatomy

What is an Eye Exam?

OptometristAn eye examination is a procedure that follows multiple steps to determine one’s eye health performed by an optometrist (a type of eye doctor). An eye exam takes roughly an hour to complete, however this varies depending on the number of tests required. To give a better idea of what an eye exam is like, here are some of the types of eye tests that will likely be performed. Eye exam Tulsa>>

Visual Acuity Test

This test is possibly one of the best-known tests. Here, the optometrist tests the strength of the patient’s vision using an eye testing chart (or Snellen chart) with Alphabet letters which gradually decrease in size. During the visual acuity test procedure, the patient is requested to identify the letters on the chart to determine the sharpness of their vision. Part of the test determines the distance of the patient’s eyesight, to determine near or far sightedness. Visual Acuity Test Tulsa>>

Eye Muscle Test

Eye ChartThe eye muscle test is simply when the optometrist asks the patient to follow an object or light with their eyes. The optometrist can use the eye muscle test procedure to evaluate the eye’s muscles. This can be used to determine if the muscles in the eye are weak, or if the patient’s eye muscles lack coordination. Eye Muscle Test Tulsa>>

Slit Lamp Examination

Slit lamp examinations use a bio-microscope to magnifies and lights up the patient’s eye. This bio-microscope helps the eye doctor examine the structures of the patient’s eye, such as the eyelids, lashes, iris, optic nerve, and cornea. A slit lamp examination can help to reveal eye diseases, such as diabetic retinopathy and cataracts. Tulsa optician>>

Color Blindness Test

A color blindness test, or color vision test, can inform a patient if they do not possess strong color vision. For the most part, this test is used to determine, as the name would imply, whether or not the patient is colorblind. It can, however, also let the optometrist know if there are any color deficiencies that result from health problems rather than genetics. Eyeglasses repair near me>>

Cover Test

During a cover test, the optometrist will cover one of the patient’s eyes, and request you to focus on a small object that sits at the other side of the room. While the patient is looking at the object, the eye doctor will cover the other eye. This will continue, with different objects at varying distances. Eye exams Tulsa>>

Refraction Test

PhoropterRefraction tests are when the eye doctor uses a phoropter, and having the patient look through various combinations of lenses to determine which is the clearest. This assessment is done to see if the patient suffers from a refractive error, where rays of light are bent incorrectly by the patient’s eye. If the patient does have a refractive error, they may require vision correction with eyeglasses or even surgery. The refraction test is useful for seeing if corrective lenses will be required, and, if so, it makes it easier to make a prescription for the patient based on the results. Eye exams Broken Arrow, Ok>>

 

Glaucoma Screening

An eye doctor uses the glaucoma test to quantify intraocular pressure, which can be used to see if the patient suffers from glaucoma. A common way this test is performed is by puffing air into the patient’s eye. This procedure, known as non-contact tonometry, uses a machine to measure the eye’s resistance to the air, which then can determine the fluid pressure inside the eye. If the pressure is higher than it should be, then the patient is at risk for glaucoma. Contact an optician>>

Pupil Dilation Test

Sometimes, the optometrist is required to dilate the patient’s pupils in order to get a better look at the eye’s inner workings. The pupil dilation test is when the eye doctor puts dilating drops into the patient’s eye to enlarge their pupil, and then uses tools to see the inside of the eye. While this procedure is fairly straightforward, it should be noted that these effects can last up to thirty minutes, and during this time the patient’s eyes will be sensitive to light and their depth of field will not be functioning properly. As such, it is best to have someone else drive to and from the test.

Why are Eye Exams Important?

With eye exams, opticians are able to take the optometrist’s prescription from the tests to create corrective lenses for patients. Furthermore, even if the patient already has glasses from a previous eye examination, getting regular checkups can make sure the lenses are always accurate to their needs. Patients with a prescription can take it to any glasses shop to have their lenses crafted, so they may receive their glasses or contact lenses.

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