What To Know About A Vision Tester

By Jayne Rutledge


Opticians, optometrists and ophthalmologists are different kinds of eye doctors. The professional that are knowledgeable and trained in this field of health care might also be known as a vision tester. The term may also be applied when referring to a general eye exam or visual field test. Numerous tests of these kinds can be done to check the function and health of eyes.

Eye exam refers more specifically to the collection of tests that are done by an optometrist, ophthalmologist or orthoptist in order to check the vision of a person, as well as his or her focus and recognition of objects. During this process, other tests and exams may be given. It is suggested by health care professionals that people have these exams done routinely as part of their health care routine, especially because many eye diseases are known for be asymptomatic.

Different equipment and techniques are employed for these basic tests, which are usually done through external examination. The very basic exams involve checking of pupil function, extraocular muscle motility and visual acuity. The process is applied by doctors in order to detect blindness, tumors and other potential eye problems. Most insurance providers will offer some portion of coverage for these tests. Prices will range for the test, as well as treatments.

Visual field tests refers to exams that are given to check for dysfunction in peripheral and central vision. Typically issues of this kind are the result of brain tumors, stroke, glaucoma or other serious medical ailments. The test is performed clinically, and patients are told to fix the gaze on a specified spot while other objects are placed in other areas of their field of vision.

Simple equipment such as tangent screen tests or Amsler grids are often used in this process, but dedicated machinery might also be employed. If dedicated machinery is used during a field test, the test is referred to as a perimeter. Other names for this exam: perimetry, Automated perimetry exam, Tangent screen exam, Humphrey field exam or Goldmann visual field exam. A field test may be carried out directly by a technician, with help from a machine or entirely by a machine that is automated.

Numerous eye exams can be carried out. In fact, sometimes these are a requirement. An example of this would be when applying for a certain job in which good eyesight is necessary or before getting a drivers license. There are many doctors and machines that act as vision testers.

Every test will be different and produce its own results. Some are used specifically to check for color blindness, while others might be more concerned with assessing ability to see far away and up close. There are also tests done to check eye health, making sure all of the parts look normal and work properly. Consulting with a doctor is the best way to find out which tests to take, what the results mean and how the results can be treated, if necessary.

Human beings should take care of their eyes, at they only naturally have one. If there is eye loss or vision loss, not much can be done in terms of restoration. A vision tester is the term that may be applied to the machine or professional that checks the overall health and function of eyes. Numerous eye exams can be administered.




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