If an organism has more rods in its retina,it will be:

In uncorrected myopia,the image is formed:

Which of the following statements is correct?

What is the function of ciliary muscles?

Which of the following structures of the eye can be artificially implanted?

Good vision depends on adequate intake of carotene-rich food. Select the most appropriate option from the following statements.
$I.$ Vitamin $A$ derivatives are formed from carotene.
$II.$ Photopigments are embedded in the membrane discs of the outer segment.
$III.$ Retinal is a derivative of Vitamin $A$.
$IV.$ Retinal is a part of all photopigments that absorb light.