Austin Vision Exams

Vision Examinations

Periodic eye and vision examinations are an important part of preventative health care. Many eye and vision problems have no obvious signs or symptoms. As a result, individuals are often unaware that problems exist. Early diagnosis and treatment of eye and vision problems are important for maintaining good vision and eye health. In addition, many systemic diseases can manifest in the eye, and frequently, the eye may be the first place in the body that shows these signs.

Medical Exams

This type of examination is different from an ordinary vision examination, in that, it is more in-depth regarding the health of the eyes. Sometimes, additional procedures are ordered by the doctor, to further evaluate symptoms and signs of disease. These can include visual field testing, pachymetry, serial tonometry, retinal or optic nerve scans, corneal topography, and more.

Laser Vision Correction Evaluations

We offer co-management of laser vision correction patients with some of Austin’s finest refractive surgeons. This includes a comprehensive vision examination at the beginning of the sequence, and post-operative care for up to one year following the procedure.

Chromagen Evaluations

We also offer evaluation for the application of Chromagen lenses for certain types of dyslexia and for anomalous color vision. These lenses, which are FDA-cleared color-filtered lenses, can be provided in either eyeglass or contact lens form. They can be incorporated into any existing prescription or frame choice.

Comprehensive Exam Parts

A comprehensive eye and vision examination at Arboretum Vision Care includes the following tests. Individual patient signs and symptoms, along with the professional judgment of your doctor, may significantly influence the testing done.

Patient History

A patient history helps to determine any symptoms the individual is experiencing, when they began, the presence of any general heath problems, medications taken and occupational or environmental conditions that may be affecting vision. Your doctor will ask about any eye or vision problems you may be having and about your overall health. Your doctor will also ask about any previous eye or health conditions of you and your family members.

Visual Acuity

Reading charts are used to measure visual acuity. Visual acuity measurements evaluate how clearly each eye is seeing. As part of the testing, you are asked to read letters on distance and near reading charts. The results of visual acuity testing are written as a fraction such as 20/20.

Preliminary Tests

Preliminary testing includes evaluation of specific aspects of visual function and eye health such as depth perception, color vision, eye muscle movements, peripheral or side vision, and the way your pupils respond to light.


This test measures the curvature of the cornea, the clear outer surface of the eye, by focusing a circle of light on the cornea and measuring its reflection. This measurement is particularly critical in determining the proper fit for contact lenses. This is an objective test, which can also be used to help diagnose corneal diseases.


Refraction is conducted to determine the appropriate lens power needed to compensate for any refractive error (nearsightedness, farsightedness, astigmatism, or presbyopia). Using an instrument called a phoropter, your optometrist places a series of lenses in front of your eyes and measures how they focus light using a hand held lighted instrument called a retinoscope. The power is then refined by your responses to determine the lenses that allow the clearest vision.

Eye Focusing, Eye Teaming and Eye Movement Testing

Assessment of accommodation, ocular motility and binocular vision determines how well the eyes focus, move and work together. In order to obtain a clear, single image of what is being viewed, the eyes must effectively change focus, move and work in unison. This testing will look for problems that keep your eyes from focusing effectively or make using both eyes together difficult.

Eye Health Evaluation

Tonometry measures eye pressure. Elevated pressure in the eye signals an increased risk for glaucoma. External examination of the eye includes evaluation of the cornea, eyelids, conjunctiva and surrounding eye tissue using bright light and magnification.

Evaluation of the lens, retina and posterior section of the eye may be done through a dilated pupil to provide a better view of the internal structures of the eye.

Supplemental Testing

Additional testing may be needed based on the results of the previous tests to confirm or rule out possible problems, to clarify uncertain findings, or to provide a more in-depth assessment.

At the completion of the examination, your optometrist will assess and evaluate the results of the testing to determine a diagnosis and develop a treatment plan. He or she will discuss with you the nature of any visual or eye health problems found and explain available treatment options.

If you have questions regarding any eye or vision conditions diagnosed, or treatment recommended, don’t hesitate to ask for additional information or explanation from your doctor.

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