Sentences with phrase «rods and cones healthy»
These cells help keep the eye's light - detecting rods and cones healthy.
https://www.newscientist.com/ Not exact matches
A healthy retina usually features light - sensitive cells — photoreceptors — called cones and rods.
Hung in a massed chorale, as in the Waddington Custot booth, they have a cumulative tendency to over-activate the rods and cones of the healthy eye.