September 26, 2018 By opticiancertif

Visual Acuity

Ability to discern the details of an object. A normal average eye an angle of one minute of arc (1/60th degree). Assessment of the eye’s ability to distinguish object details and shape, using the smallest identifiable object that can be seen at a specified distance (usually 20 ft. or 16 in.) and letter height (8.87mm).

Related Links

Visual Acuity: What is 20/20 Vision?

Does 20/20 Vision Mean Perfect Eyesight? – AllAboutVision.com

BootsWebMD – GP reviewed health Information for the UK

Visual acuity test: MedlinePlus Medical Encyclopedia

What is visual acuity? 20/20, 20/40, what does it mean?

Visual Acuity Test: Purpose, Procedure, and Results

How to measure distance visual acuity

Low Vision and Legal Blindness Terms and Descriptions – VisionAware

Visual Acuity Testing — National Eye Institute

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