If you have normal vision, your eyes are not covered, and you are in a well-lit area, then opening your eyes is a necessary and

Question

sweet-ann [11.9K]

2 years ago

7

If you have normal vision, your eyes are not covered, and you are in a well-lit area, then opening your eyes is a necessary and

sufficient condition for seeing.
True or False?

Biology

1 answer:

grandymaker [24] · Answer 1 · 2022-09-22T17:50:46+03:00

Answer:

true

Explanation:

When your eyes are not covered and you are in an area with good lighting, then opening your eyes would certainly be a necessary thing to do to be able to see and this makes your vision to be normal.

According to Leo Gross, you can have a normal vision if you are 20 feet away from a particular spot and you see what a normal person sees on that same spot. There is the Snellen chart one is also expected to read in that position, so maintaining a normal vision means someone has 20/20 vision.