Accommodation

Question 1

State 3 reasons why accommodation is important?

Answer 1

• it is a dynamic process to produce and maintain a focused retinal image
• It is the power of the lens changes to maintain the image
• the lens curvature changes, the lens power changes and focusing changes

Question 2

Describe the accommodative process

Wh

Answer 2

There is a change in the shape which leads to a change in the power of the lens.

Question 3

What does the accommodative process allow?

Answer 3

This allows objects at various distance to be focused at the retina.

Question 4

What is the active element during the accommodative process?

Answer 4

The only active element is the ciliary muscle (while other parts of passive)