TY - RPRT TI - Will visual discomfort among visual display unit (VDU) users change in development when moving from single vision lenses to specially designed VDU progressive lenses? AU - Gunnar Horgen AU - Arne AarÄs AU - Magne Thoresen PY - 2004 DO - 10.1097/01.opx.0000134908.44145.49 UR - https://pubmed.ncbi.nlm.nih.gov/15181359/ ID - 15181359 ER -