( a. )
Literally, seeing everything; -- a term applied to eyeglasses or spectacles divided into two segments, the upper being designed for distant vision, the lower for vision of near objects.
( a. )
Literally, seeing everything; -- a term applied to eyeglasses or spectacles divided into two segments, the upper being designed for distant vision, the lower for vision of near objects.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012