General Facts Regarding The Vision Tester

By Paula Barron


Good vision is considered to be a gift that needs to be cherished, protected and nurtured in the whole life of any individual. This can only be achieved through constant visual exams and screenings. A vision tester is the most efficient tool used in the medical field to provide proper vision care. Through this device eye professionals are able to detect and treat impairments in record time. Immediately one experiences any signs of poor sight, he or she is advised to seek professional assistance.

The tester is used to carry various visual tests. These include color perception, visual acuity which can be vertical or horizontal phoria, muscle balance, depth deception among others. It is used to check for the visual ability when administering medical examinations in the aviation industry, military and other areas that require efficient sight. It is used to test the ability of a person to drive at night.

It is designed with several advanced features for efficiency. It has the ability to accommodate both children and adults, either seated or standing. This ensures that the patient is comfortable during the screening process which is mandatory for accurate and efficient testing. There is a fluorescent light source which replicates daylight conditions, improves slide illumination and provides true color testing.

The equipment has an efficient lighting system in whose power consumption is minimized to prevent cases of high voltages developing in the internal parts. The reduction of heat in the various parts helps to prolong the life of the equipment. A diffusor is used to homogenize it for powerful and clear backlighting. This tester is able to carry out some of the tests within a very short time which is beneficial when the number of tests to be done is high.

It is lightweight, compact and portable to provide the benefit of convenience. It easy to transport thus allows these screens and eye exams to be administered anywhere. The Pc control and remote control feature allows the screening equipment to be controlled via a remote controller or by connecting it to a computer. There is also a PC software that prompts the test question, registers and tabulates the answers, prints the results and then saves the data to an internal database automatically.

It is also equipped with a special headrest that is removable. This headrest is specially designed to facilitate proper positioning of the face. It can be adjusted to accommodate different patients. The slide usually signals the practitioner once the patient is in the correct position. The headrest provides maximum comfort during the screening process which determines the results obtained.

Most of these devices are usually provided with a manual. This document provides information regarding the specifications, safety measures and procedures on its operation. It should strictly be used for its intended purpose. Maintenance is important to keep it in good order. The cleaning of the panels is important for correct results.

Visual screening should be performed routinely to correct a most abnormalities. Some of the abnormalities may progress to more critical eye conditions if they are not addressed in good time. A vision tester has helped to address most of the visual impairments affecting people today. It has been very instrumental in detecting and correcting these abnormalities to improve the quality of life of individuals.




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