TY - GEN AU - Dahnér,C AU - Larsson,M AU - Nyström,A AU - Hård,S TI - Letter imaging by diffractive, bifocal intraocular lenses: a computer study SN - 1559-128X PY - 2012///1002 N1 - Publication Type: Journal Article UR - https://doi.org/10.1364/AO.33.001135 ER -