Optical __, Eye's Perception, Not Reality
This page is the CodyCross answer for the clue below from Ancient Egypt, Group 184, Puzzle 3 (Nile River Valley).
Question is: Optical __, Eye's Perception, Not Reality
and the answer is: ILLUSION
Word Meaning:
ILLUSION — (countable) Anything that seems to be something that it is not.
Definitions from Wiktionary.