General Information On A Vision Tester

By Jayne Rutledge


Ophthalmologists, optometrists and opticians are all types of doctors who specialize in eye care. This professional, who are trained and knowledgeable in this field, might also be referred to as a vision tester. Many tests are available to assess health and function of the eyes.

An eye exam refers specifically to a series of tests that are performed by an orthoptist, optometrist or ophthalmologist to assess the vision of an individual and his or her ability to discern and focus on objects. In this process, other exams and tests are performed on the eyes. It is recommended by officials in the health care field that people have periodic exams done as routine care, especially since most eye diseases show or produce no symptoms.

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 is usually used during this process. Still, dedicated machinery might be applied and when this is done, the test is known as a perimeter. This exam might also be known as a perimetry, Automated perimetry exam, Tangent screen exam, Goldmann visual field exam and Humphrey field exam. A test of this kind may be given by a technician, a technician with help from a machine, or just a machine.

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.

It is crucial that human beings take care of their eyes, as they are only given one set. If there is vision or eye loss, not a lot can be done to restore it back to normal. A vision tester might refer to a machine or person that is employed for the purpose of assessing function and health of eyes. There are several eye exams that can be taken.




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