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The most important tool a vision screening professional uses to measure eye health is a Titmus vision tester. However, vision testing is not always considered to be an important part of an eye examination by busy vision screening professionals. The fact remains though that there is no better way to check on the progression of many eye diseases than a good vision tester. The best vision testers are able to measure visual acuity, potential visual acuity, contract sensitivity, glare and color. Good vision testers should require no physical interaction and should automatically refract and allow minute refinements in sphere and cylinder to provide the best optimal subjective refraction. Vision testers should offer 16 white LEDs and a diffuser system for thorough lighting. Two optical paths typically are provided, which is key for patients who wear glasses with protective lenses.

It should be able to perform many vision screening tests in one sitting, including distance and near visual acuity testing, astigmatism, phorias, stereopsis, fusion, ARMD, glare testing, contrast sensitivity and potential acuity testing. The device should be lightweight (10 pounds or less), and adaptable to each patient and allow them to sit in a relaxed position throughout testing. Some vision testers also do peripheral visual field analysis. It also should have user-friendly software to save and print patient data and results. All of the tests should be finished within 2-4 minutes.

The latest generation of vision testers provides vision screening professionals with all aspects of vision assessment in one rapid screening device. In fact, a top notch vision tester such as the Depisteo Vision Tester is as important as a Strabismoscope!