Basic Facts Of A Vision Tester

By Jaclyn Hurley


Ophthalmologist, optometrists and opticians are the different professional eye doctors. A person who is recognized as skilled and knowledgeable in this particular field of medicine might also be known as a vision tester. The term is also applied when referring to some kind of eye exam or visual field test. There are several tests that might be performed in order to check function and health of eyes.

Eye exam is a general term to refer to tests that are performed by these professionals. They are used to analyze the vision of a patient, as well as their ability to focus on various objects and discern between them. It is highly recommended that individuals have the exams done on regular basis as part of care. This is because there are many different diseases of the eye that can manifest without showing symptoms.

There are many pieces of equipment and techniques that are employed during these basic examinations, which are typically external. Tests are done to check for pupil function, visual acuity and extraocular muscle motility, at the minimum. The process can help physicians when it comes to detecting eye-blinding diseases that are treatable, tumors or other issues with the brain, or diseases. Most insurance companies will cover routine exams. The prices for the tests, as well as the glasses or contacts, will range.

Visual field test will determine if there is dysfunction in central or peripheral vision, a problem that is common for those with brain tumors, glaucoma and stroke. The test involves the patient keeping the gaze fixed on a specified point while other objects are placed in their field of vision.

Simple equipment may be employed for this purpose, such as tangent screen tests and Amsler grids. Dedicated machinery is used in some cases. The test may be done by a machine, human technician or both.

There are numerous other kinds of exams that may be performed. These may be required in certain instances. An example would be the test that is taken before one can receive a driver license or one that might be issued in order or a person to be eligible for a job in which vision is important. Many doctors and machines may be employed for such screenings.

Every test varies and will produce different results. Some may be used to check color blindness and others to analyze ability to see up close and far away. Others might be solely used to check the function of various eye parts. Consult with the physician to figure out which one you should have done. These professionals can also help when it comes to analyzing results and figuring out a treatment plan.

People should take care of their eyes because when the vision or eyes are lost, they are not always easy to replace or restore. The term tester might be applied to a person or a machine involved with assessment of health and function of eyes. Many different exams are available to check the eyes.




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