VISION DEFECTS

Farsightedness occurs when light is focused ___________ the retina.

• Infront of

• Behind

• Exactly on

When you are reading a book, your eyes' lenses become more _______

• Concave

• Convex

• Relaxed

Which of the following causes NEAR-SIGHTEDNESS ?

• A rough lens

• A less-flexible lens

• The cornea is too curved.

When looking at far objects, the eyes _______.

• Relax

• Stretch

• Contract

• shrink

When we look at far objects, our eyes become ______

• LESS CONVEX

• MORE CONVEX

• NO CHANGE

Which of these Diagrams represents NORMAL VISION ?

• A

• B

• C

• D

Which of these Diagrams represents NEAR SIGHTEDNESS ?

• A

• B

• C

• D

Which of these Diagrams represents FAR SIGHTEDNESS ?

• A

• B

• C

• D

Which of these Diagrams represents ASTIGMATISM ?

• A

• B

• C

• D

Tags

NGSS.MS-PS4-2

The shape and convexity of the eye is controlled by __________.

• CELLS

• MUSCLES

• TISSUES

• LIGHT