The amount of light refers to the quantity or intensity of light that enters the eye. It determines how much visual information is received by the retina.
Related terms
Pupil: The pupil is a hole in the center of the iris that regulates the amount of light entering the eye.
Iris: The iris is a ring-shaped structure with muscles that controls and adjusts the size of the pupil.
Retina: The retina is a layer at the back of the eye that contains cells sensitive to light and helps convert it into neural signals.