This is quoted from another question:
"Having 20/60 means that you need to be 20 feet away from an object rather than a "normal" person who can see that object at 60 feet."
http://wiki.answers.com/Q/Is_20-60_vision_considered_bad <-- LINK
Having 20/40 vision means your daughter can see at 20 feet what a person with normal vision can see at 40 feet. Whether she needs glasses depends on her symptoms and how her vision impacts her daily life. It's best to consult with an eye care professional for a proper assessment and recommendation.
No, legal blindness is defined as visual acuity of 20/200 or worse in the better eye with best correction. Having visual acuity of 20/80 and 20/40 in each eye does not meet the criteria for legal blindness.
Central vision refers to when eyes are focused straight ahead. Peripheral vision refers to vision that occurs outside your central sight of vision. Fringe vision refers to the edge of your peripheral vision.
Sharpness of vision is also called visual acuity.-Visual acuity is determined by the ability to see visual details (in normal light).
visual "visual" is strictly an adjective though sometimes used colloquially as an noun. The noun "sight" is "vision". I assume you are not talking about gun sights.
no
eyeglasses can correct any form of poor vision at an degree.
Depends on your situation and what doctor you have
LCD of 2040 is 2040.
if this question needs a serious answer, then well here it goes - the year 2040 has not occurred yet and the question should not refer to 2040 in the past tense. we do not know who will be president in 2040 and will not know until that year, which is 29 years from now. As you know that you must remember my name is Dylan Michael Rich will be president in 2040. vote for me!
The year 2040 is the 21st century.
0.5667
0.0191
The GCF of 2040 and 60 is 60
It is 2040, exactly as in the question.
The GCF of 2040 and 7803 is 51.
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