What happens when a human is exposed to bright light?

The eye defect $Astigmatism$ can be corrected by using:

Select the correct option based on the given sentences regarding the mechanism of vision:
$(I)$ Light rays in the visible wavelength are focused on the retina through the cornea and lens.
$(II)$ It generates impulses in rods and cones.
$(III)$ Photosensitive pigment is composed of an opsin (protein) and retinal (an aldehyde of vitamin $A$).
$(IV)$ Light induces the dissociation of retinal and opsin.
$(V)$ This process causes a change in membrane permeability,as a result,potential differences are generated in the photoreceptor cells.

Match the following columns regarding the chambers of the human eye:

Column-$I$ (Chamber)	Column-$II$ (Description)
$P$. Aqueous chamber	$I$. Filled with transparent gel
$Q$. Vitreous chamber	$II$. Space between cornea and lens
	$III$. Space between lens and retina
	$IV$. Filled with thin watery fluid

The middle layer of the eye is covered by which type of epithelium?

Harderian glands are absent in