Visual acuity: What is visual acuity

What is visual acuity? 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. While standing or sitting 20 feet from the chart, you are instructed to read each row until you no longer can. The Random E test uses a capital letter E that gets smaller in size and also changes direction (up, down ... The visual acuity test is a quick, non-invasive procedure designed to measure the sharpness or clarity of your vision, performed by eye care professionals such as optometrists or ophthalmologists. Understand the concept of visual acuity and its significance in achieving clear vision. Explore factors that influence visual acuity and ways to maintain optimal eyesight 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.