(n.) Of or pertaining to the science of vision; optical.
(n.) Pertaining to the art, or in accordance with the laws,
of perspective.
(a.) A glass through which objects are viewed.
(a.) That which is seen through an opening; a view; a
vista.
(a.) The effect of distance upon the appearance of objects,
by means of which the eye recognized them as being at a more or less
measurable distance. Hence, aerial perspective, the assumed greater
vagueness or uncertainty of outline in distant objects.
(a.) The art and the science of so delineating objects that
they shall seem to grow smaller as they recede from the eye; -- called
also linear perspective.
(a.) A drawing in linear perspective.
