Visual Acuity Score: Tests, Charts & Scores Explained - Vision Center
2024年10月10日 · A visual acuity score results from a visual acuity test performed by an optometrist or ophthalmologist during an eye exam. Visual acuity scores are usually written as a fraction. These test results describe your ability to see an object 20 feet away compared to a person with normal vision.
20/20 Vision: What Is Visual Acuity, How It's Tested, and More - WebMD
2023年7月10日 · Acuity of vision is a term used to describe the clearness or sharpness of your vision when measured at a distance of 20 feet. Visual acuity is the most common clinical measurement of how your...
What Does 20/20 Vision Mean? - American Academy of Ophthalmology
2022年1月28日 · The phrase 20/20 vision means normal vision, explains J. Kevin McKinney, MD. “A person with 20/20 vision can see what an average individual can see on an eye chart when they are standing 20 feet away,” says Dr. McKinney.
20/20 Vision: What It Means, Tests & Corrective Methods - Cleveland Clinic
2024年10月8日 · 20/20 vision is “normal” vision. It’s a measure of the clarity or sharpness of your eyesight when you’re 20 feet away from an object. Eye care specialists call this visual acuity. Having 20/20 vision means your vision is typical — it doesn’t mean your vision is perfect. And while 20/20 vision is considered “normal” vision, only ...
What Does 20-20 Vision Mean? - Verywell Health
2023年12月1日 · 20/400 vision is essentially when you can only see the big E (the 20/400 line) at the top of the eye chart. All the lines below the E are indistinguishable. In contrast, someone with 20/20 vision, can see all the way down to the 20/20 line.
What is 20/20 vision in 2020? - All About Vision
2019年12月31日 · The American Optometric Association explains that 20/20 vision refers to someone’s visual acuity — the clarity or sharpness of vision — measured at a distance of 20 feet without vision correction (such as eyeglasses or contact lenses). So, if you have 20/20 vision, you can see clearly at 20 feet what typically should be seen at that distance.
What Does It Mean to Have 20/20 Vision? - Verywell Health
2024年2月6日 · Having 20/20 vision means you can see objects clearly from a distance of 20 feet. It's a measurement of the clarity and sharpness of your vision. If you have 20/20 vision, you have a clear view of things that are 20 feet away from you. Gravity Images / Getty Images.
Visual Acuity: What is 20/20 Vision? - Vision Center
2024年2月21日 · 20/20 is a term that describes having normal visual acuity or sharpness of vision. During an eye exam, your doctor will have you read letters on a chart to assess your visual acuity. In other countries, optometrists use a visual acuity test distance of 6 meters. The equivalent to 20/20 is 6/6.
20/20 Vision: A Comprehensive Guide to Normal Visual Acuity
2024年4月3日 · At its core, 20/20 vision signifies normal visual acuity, the ability to discern details at a specific distance. It represents the clarity or sharpness of central vision, measured under standardized conditions.
Decoding 20/20 Vision with Zenni: Understanding the ... - Zenni …
2024年3月6日 · The term 20/20 vision, known scientifically as normal visual acuity, is a measurement used in the field of optometry to evaluate the sharpness of a person’s vision. Originating from the Snellen eye chart, this numeric representation simply indicates the clarity or sharpness of vision at a distance of 20 feet.