noun
also visual beam
: a ray from any point of the object field to the eye ; specifically : any ray that on its way to the retina passes through the visual point
noun
also visual beam
: a ray from any point of the object field to the eye ; specifically : any ray that on its way to the retina passes through the visual point
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012