The scotopic vision is developed through the stimulation of

In the human eye,the bipolar cells are present in:

The transmission of light into a nerve impulse is a:

The fovea (central pit in the $Macula\, lutea$) is the point where visual acuity is the highest. In the fovea:

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.

In uncorrected myopia,the image is formed: