Light Sensitive Layers at the Back of Eyeballs

This page is the CodyCross answer for the clue below from Babies and Toddlers, Group 1677, Puzzle 4 (Consistent Schedule).

Question is: Light Sensitive Layers at the Back of Eyeballs

and the answer is: RETINAS

Word Meaning:

RETINAS — plural of retina

Definitions from Wiktionary.