Visual acuity - Wikipedia Visual acuity (VA) commonly refers to the clarity of vision, but technically rates an animal 's ability to recognize small details with precision Visual acuity depends on optical and neural factors Optical factors of the eye influence the sharpness of an image on its retina
Visual Acuity Test: Types, Procedure Interpreting Results You’ve experienced a visual acuity test if you’ve ever looked at a wall chart of letters or symbols during an eye exam or in your healthcare provider’s office Visual acuity tests are usually the quickest way for a provider or eye care specialist to tell that your vision has changed
Evaluation of Visual Acuity - StatPearls - NCBI Bookshelf Visual acuity is the clarity or sharpness of vision Visual acuity assessment is a crucial aspect of ophthalmic examination The loss of visual acuity can significantly impact an individual's quality of life Vision loss may be due to ocular disease, systemic disease, or diseases of other organ systems, including the central nervous system
Visual Acuity - American Academy of Ophthalmology Visual acuity measures how sharp your vision is at a distance It is usually tested by reading an eye chart How is visual acuity tested? The Snellen eye chart, with its familiar rows of letters in decreasing sizes, is the most common visual acuity test
Visual acuity and visual acuity tests - All About Vision Visual acuity is the ability to see distinct figures and fine detail with clarity With good visual acuity, the outline of an object is sharp and easily detectable Visual acuity tests measure how well a person sees fine details at distance and near