TY - GEN AU - Lang,M M AU - Marg,E TI - Computer-assisted eye examinations IV. "Additive" lens systems in eye refractors SN - 0093-7002 PY - 1976///0213 KW - Diagnosis, Computer-Assisted KW - Humans KW - Lenses KW - Methods KW - Optics and Photonics KW - Refraction, Ocular N1 - Publication Type: Journal Article; Research Support, U.S. Gov't, Non-P.H.S UR - https://doi.org/10.1097/00006324-197508000-00004 ER -