The choroid layer is thin over the $.......$ of the eyeball.

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.

The retina is most sensitive at:

The defective condition of accommodation of the eye in which distant objects are seen distinctly but near objects are indistinct is:

In uncorrected myopia,the image is formed:

The human eye is most sensitive to light of wavelength: