magic eye vs photoelectric cell

magic eye and photoelectric cell both are nouns.

Word	Noun	Adjective	Verb	Adverb
magic eye	Yes	No	No	No
photoelectric cell	Yes	No	No	No

As nouns, magic eye and photoelectric cell are synonyms defined as:

magic eye and photoelectric cell: a transducer used to detect and measure light and other radiations

Other synonyms of magic eye include electric eye, photocell, photoconductive cell.

magic eye (noun)	photoelectric cell (noun)
a transducer used to detect and measure light and other radiations	a transducer used to detect and measure light and other radiations