This page aims to answer all your average eyesight and vision-related questions. “What does 20/20 vision mean?” and other questions are popular among information seekers – this fact page will shed light on these details!
Average Vision is defined as 20/20 Vision. This may come as a shock to most people, but this number indicates the following:
1st 20 – The individual can see a letter-size from 20 feet away
2nd 20 – The average individual sees this letter also from 20 feet away
As such, there is a method for what constitutes better than average, and worse than average vision. The chart is illustrated in the following:
As illustrated above, an individual with 20/10 vision can read the text at a 20-foot distance that the average person would need to stand 10 feet away to read.
Adie Syndrome is a form of neurological disorder affecting the pupil of a person’s eye.
Some causes include:
- blurry vision
- facial pain
Adie syndrome can occur due to conditions like surgery, trauma, lack of blood flow, or infection.