Monday, August 26, 2013

General Information About The Vision Tester

By Helga Stokes


The ability to see clearly enhances the quality of life of individuals and allows them to perform their daily activities effectively. For this reason, good vision has to be cherished, nurtured and guarded to prevent any potential risks. This can be achieved through frequent screenings and periodic visual exams. A vision tester helps to detect and treat eye problems as soon as they occur. It is advisable to seek medical assistance when any eye-related problem is experienced.

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.

Modern forms of this device have several advanced features that enhance their efficiency. They are designed to accommodate both adults and children, either standing or seated. This is important to ensure patients are comfortable during testing process in order to obtain accurate results. It has a fluorescent light source which provides true color testing, replicates daylight conditions and improves slide illumination.

The devices are equipped with an efficient lighting system that has the ability to replicate daylight conditions and improve slide illumination. It uses less power and prevents high voltages in the internal components of the equipment. This protects the equipment from damage and prolongs its life. It provides efficient and clearer backlighting. It has the ability to perform numerous tests which saves a lot of time when multiple exams are required

There are several features that make it easy to operate and convenient to use. It is compact, lightweight and portable which allow technicians to transport them easily as well as administer tests in different places. The remote control and PC control feature allow them to be controlled through a remote controller or a computer. There is PC software that is usually installed to prompt the test questions, register and tabulate the answers, print results and automatically save these results to an internal database.

The tester is equipped with a sensitive headrest that is removable. This helps to ensure the patient is positioned correctly. The slides usually light up and activate the elastometer once the forehead is in the right position. The removable slides allow easy changing and disinfection. They can be adjusted to provide comfort to any patient for effective testing.

They are purchased together with a manual to ensure the operators use them properly and safely. The manual contains details about the specifications, operating procedures and safety precautions. It is important to use the equipment for its intended purpose. It should be inspected on a regular basis to correct any problems to ensure the results obtained are reliable.

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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