@misc{indiciaee7be44e53794, title = {Vertical diplopia onset with first-time bifocal.}, author = {G B Erickson and E E Caloroso}, year = {1992}, doi = {10.1097/00006324-199208000-00008}, url = {https://pubmed.ncbi.nlm.nih.gov/1513561/}, note = {Source identifier: 1513561} }