What does it mean to have 20 70 vision?
The ratio measurement of vision describes visual acuity, or the sharpness of vision, at 20 feet from an object. For example, having 20/70 vision means that you must be at 20 feet to see what a person with normal vision can see at 70 feet.
What does it mean to have 20 80 vision?
If you had visual acuity of 20/80, it would mean that you would be able to see details from 20 feet away the same as a person with 20/20, or normal, vision could see from 80 feet away.
What does it mean to have 20 125 vision?
The term Legally Blind identifies an individual whose central visual acuity is 20/125 or poorer in the eye with better vision when wearing best correction. Legally Blind also applies to those individuals that may see better than 20/125 but have a limitation of their peripheral vision.
What is considered poor vision?
20/30 to 20/60 is considered mild vision loss, or near-normal vision. 20/70 to 20/160 is considered moderate visual impairment, or moderate low vision. 20/200 to 20/400 is considered severe visual impairment, or severe low vision. 20/500 to 20/1,000 is considered profound visual impairment, or profound low vision.
What’s considered bad vision?
20/30 to 20/60, this is considered mild vision loss, or near-normal vision. 20/70 to 20/160, this is considered moderate visual impairment, or moderate low vision. 20/200 or worse, this is considered severe visual impairment, or severe low vision.
What is it meant by 20 70 vision?
Visual acuity is a number that indicates the sharpness or clarity of vision. A visual acuity measurement of 20/70 means that a person with 20/70 vision who is 20 feet from an eye chart sees what a person with unimpaired (or 20/20) vision can see from 70 feet away. Click to see full answer.
What does it mean to have 20 degree field of vision?
Visual acuity eye charts test your central vision. There are alternate methods for testing visual field. If your field of vision is 20 degrees or less, you are considered legally blind. This constitutes tunnel vision, as you will have trouble seeing things that are not directly in front of you.
What does it mean to have 20 / 400, 20 / 200, 20-400 vision?
The measurements of 20/100, 20/200, and 20/400 signify how well you can see things at distances of 20 feet with the lowest number being the best. For example, 20/20 is considered perfect vision.
Can a person with 20 / 70 vision drive?
In some states, they might be restricted to daytime driving only. A person with a corrected or uncorrected vision of 20/70 vision in one eye but better vision in the other might be allowed to drive, depending on the state’s regulations 2.