Yahoo Answers is shutting down on May 4th, 2021 (Eastern Time) and beginning April 20th, 2021 (Eastern Time) the Yahoo Answers website will be in read-only mode. There will be no changes to other Yahoo properties or services, or your Yahoo account. You can find more information about the Yahoo Answers shutdown and how to download your data on this help page.
Trending News
About the Eye...?
1. Is the changing of the lens from thick to thin involuntary or voluntary movement?
2.Are the lens of an eye rigid like a glass lense?
3.Does the optic nerve enter the eyeball directly behind the lens? Why or why not?
2 Answers
- 1 decade agoFavorite Answer
1. involuntary movement
2. no
3. no. ( it not enters the eyeball. it just receive impulses from retina and send the impulses to the brain to be interperated)
- Anonymous1 decade ago
the other guy got the first two so ill just tell you that the optic nerve doesnt do that because then you cant see, itd block the rods and cones of the retina from receiving light.