How does dark and light adaptation occur?
How does dark and light adaptation occur?
Introduction:
The eyes are the sensory organs enabling vision. They are the paired structures responding to the sensation of light and permits an individual to visualize their surroundings by forming the images. The eyes are present within the skull's orbital cavities. The visible portion of the eye is the anterior segment. The eye segment comprises the sclera (the white part), the iris (the dark portion), and the pupil (black hole present in the iris center). Other structures in the anterior eye's segment are the cornea, lens, and ciliary body. The posterior eye segment comprises the retina. The innermost and photosensitive tissue is responsible for light interception transmitting these interceptions to the brain via the nerve cells, which then detect the shape, movement, color, depth, and other characteristics of the object.
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