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dimanche 23 mars 2014

The Main Features Of A Vision Tester

By Jaclyn Hurley


Optometrists, opticians and ophthalmologist are three types of eye doctors. An individual who is considered a professional in this field of study based on their skill and knowledge is often referred to as a vision tester as well. This term might be used to describe a kind of eye exam or field test. Numerous tests and exams of this kind are conducted to check the health and function of this body part.

Eye exam typically refers to a series of tests that are performed by professionals in the field. These are usually done to analyze vision of a patient, including their ability to discern or focus on various objects. It is recommended by health care professionals that individuals have these exams done frequently as part of routine care and maintenance. This is especially true because there are many eye diseases that do not show or produce 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 tests are the exams that are used to determine if there is any dysfunction present in the central and peripheral vision of a person. This may be caused by medical conditions, such as glaucoma, stroke and brain tumors. The test is done clinically by instructing the patient to keep his or her gaze fixed while various objects are placed in their field of vision.

Simple tools are applied with this kind of test, such as Amsler grids and tangent screen tests. Dedicated machinery might also be incorporated. The test may be conducted by an automated machine, machine and a technician, or just the technician.

So many kinds of exams can be done. In fact, there are certain instances in which this type of screening is a requirement. A common example of this would be the vision test one must take before getting his or her license to drive. Furthermore, a person who is applying for a job in which it is important that they have good vision may be required to have an exam done before being considered for the position. Many machines and doctors are utilized for these types of 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.

It is crucial to take care of this body part because humans are only given one set. In the event of vision or eye loss, not a lot can be done as far as restoration. A tester might refer to a machine or person that is used in order to assess function and health of eyes. There are many exams designed for this purpose.




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