Synonyms:
optical
Meaning: of or relating to or involving light or optics; "optical supplies"
Synonyms:
ocular, optic, optical, visual
Meaning: relating to or using sight; "ocular inspection"; "an optical illusion"; "visual powers"; "visual navigation"
Usage examples
This great man was likewise engaged in improving his theory and in considering how best the optical search could be conducted.
Its snowy summit, by an optical illusion not unfrequent in mountains, seemed close to us, and yet how many weary hours it took to reach it!
The eye of a two-year-old child is practically as perfect an optical instrument as the eye of a boy of ten, and yet how much more the older boy seems to see.
Poor innocent! a star had always been to him a dim, cloudy spot, a little nebula, which the magic glass has now resolved; and he can hardly believe that this brilliant point is not an optical illusion.
Supposing that the simple tests referred to heretofore have shown that the eyes, as optical instruments, are sufficiently perfect, our efforts need to be to train the brain to take cognizance of, and to interpret the impressions transmitted to it by the eyes.