@misc{indiciae1172e5f94539, title = {Will visual discomfort among visual display unit (VDU) users change in development when moving from single vision lenses to specially designed VDU progressive lenses?}, author = {Gunnar Horgen and Arne AarÄs and Magne Thoresen}, year = {2004}, doi = {10.1097/01.opx.0000134908.44145.49}, url = {https://pubmed.ncbi.nlm.nih.gov/15181359/}, note = {Source identifier: 15181359} }