![]() ![]() These cells link to nerves that eventually join to form the optic nerve. Retina: The retina is the eye tissue containing the cells that sense light.It consists of relatively tough fibrous tissue that helps to provide structure and protection for the rest of the eye. Sclera: The sclera is the white part of the eye.Lens: The lens sits behind the iris and focuses the light onto the retina.It allows light to enter the eye and travel to the retina. Pupil: The pupil is the black dot in the middle of the eye.It controls the amount of light going into the eye by constricting and dilating the pupil. ![]()
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