magic eye vs electric eye

magic eye and electric eye both are nouns.

Word	Noun	Adjective	Verb	Adverb
magic eye	Yes	No	No	No
electric eye	Yes	No	No	No

As nouns, magic eye and electric eye are synonyms defined as:

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

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

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