TY - RPRT TI - Laser interferometry in corneal opacification. Preoperative visual potential estimation. AU - R J Gstalder AU - D G Green PY - 1972 DO - 10.1001/archopht.1972.01000020271006 UR - https://pubmed.ncbi.nlm.nih.gov/4552454/ ID - 4552454 ER -