Slideshows Images Quizzes

Copyright © 2018 by RxList Inc. RxList does not provide medical advice, diagnosis or treatment. See additional information.

Definition of Rod

Rod: A type of specialized light-sensitive cell (photoreceptor) in the retina of the eye that provides side vision and the ability to see objects in dim light (night vision).

By contrast, the cones are the retinal photoreceptors that provide sharp central vision and color vision.

Reviewed on 12/27/2018

Health Solutions From Our Sponsors