Retina: The retina is the light-sensitive tissue at the back of the eye. The retina converts light into electrical impulses that are sent to the brain through the optic nerve.

This chapter provides a brief overview of the visual system (inclusive of the eye organ itself), beginning at the front surface of the eye and progressing to the primary visual cortex at the …

Material contained in this lecture presentation is copyright of The Department of Ophthalmology, New Zealand National Eye Centre, University of Auckland, and should not be reproduced …

Iris will constrict or dilate to help control amount of light. Light goes through lens, which refracts light to retina. In low light tampetum reflects more light to retina.

Although the human eye is not a very large organ, it plays a very large role in our existence because it serves as our primary “tool” to navigate this world.

Test vision using one eye at a time. Cover the opposite eye using a Kleenex, large spoon, or palm of a hand. Watch carefully to avoid accidental peeking, especially in between fingers. When …

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