dis'tal

Situated away from the median line or center of the body or from the point of origin, as of a limb, opposed tant] to proximal. [Lat., dist are, to be disdis'tance. 1. The state of being remote. 2. The measurement from one point to another, anterior focal d. The d. between the center of a lens or mirror and its anterior focus, focal d. The d. between the center of a lens or mirror and its focus. infinite d. A term frequently employed by ophthalmologists to designate the position of an object the rays of light coming from which are parallel. Practically it is about 20 feet, as the rays emanating from such a point are so slightly divergent as to be regarded as nearly parallel, posterior focal d. The d. between the center of a lens or mirror and its posterior focus. [Lat.,