true or false?

0 ⤊

eyglasses or contacts are used to correct the focal point of the light entering the eye (the focal point misses the retina in a nearsighterd person)so that this focal point is right on the retina where it can be seen.

2007-04-29 18:40:19 · 3 answers · asked by myke_n_ykes 6 in Science & Mathematics ➔ Physics

3 answers

False.

2007-04-29 19:01:02 · answer #1 · answered by Diagoras 4 · 0⤊ 0⤋

Yes, that is true. Both nearsighted and farsighted vision are a result of the focal plane of the eye's lens not at the same plane as the retina. Eyeglasses modify the focal length of the eye's lens to correctly position the focal plane.

2007-04-30 01:59:19 · answer #2 · answered by gp4rts 7 · 0⤊ 1⤋

Flase

2007-04-30 01:47:16 · answer #3 · answered by Anonymous · 0⤊ 0⤋