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Friday, August 30, 2013

General Information About The Vision Tester

By Helga Stokes


Good vision is an important asset that has to be constantly guarded and cherished throughout our entire lives. It enhances the ability of individuals to actively participate in their daily activities and lead a better quality life. To achieve and maintain the ability to see clearly individuals are required to get frequent screenings and visual exams. These procedures are made much easier by the vision tester which allows eye specialists to detect eye problems before they advance into serious cases. It is important to seek the services of medical experts.

These testers are used to perform a number of visual tests. They are used to examine color perception, depth perception, muscle balance, binocular vision and visual acuity. It is used in many areas such as the military and the aviation sector where the ability to see clearly is key. It is also used to measure the ability of individuals to see clearly when driving at night.

Technological advancement has led to the development of devices with additional features that are designed to enhance its efficiency. These machines can be used to both children and adults in standing or sitting position. They are very comfortable which ensures accurate readings are obtained without any difficulties. They are equipped with a fluorescent light source that enhances slide illumination, efficient color testing and replicates daylight conditions.

The lighting system is very efficient and consumes less power. This feature ensures no high voltages occur in the internal parts of the machine. It also protects the machine form the risks associated with high internal voltages which keeps in good working condition for a long period of time. It has a diffusor which provides clear backlighting. The tests are performed within a short time which saves time when multiple exams have to be performed.

There are numerous benefits associated with the use of this device. It is easy to use and very convenient. It is portable, light in weight and compact. It can be easily moved from one location to another to perform tests in various locations. Modern forms are controlled via remote controllers making them more convenient..

Most of them have sensitive headrests that are removable. This is useful to ensure easy and proper positioning of the patient. The slides produce light as an indication that the forehead of the patient is in the right position. The slides should be removed and changed regularly to avoid infections. They may also be disinfected and reused.

This device is usually accompanied by a manual containing essential information needed to operate it properly and safely. The document provides specifications, safety precautions and operating procedures. It should strictly be used for its intended purpose. Proper maintenance ensures accurate results are obtained every time it is used. This can be done by cleaning the cover and the panels on a regular basis using a neutral detergent.

Most of the eye abnormalities are treatable if detected early. Routine visual screening helps to detect these defects which if left untreated may cause blindness or impaired vision. Without a vision tester, many people would have undetected eye problems. Poor vision hinders the ability of individuals to lead a fulfilling life. This visual screening equipment is used by eye-care professionals to detect and correct these problems.




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