TY  - RPRT
TI  - Task and visual performance with concentric bifocal contact lenses.
AU  - J E Sheedy
AU  - M G Harris
AU  - M R Bronge
AU  - S M Joe
AU  - M A Mook
PY  - 1991
DO  - 10.1097/00006324-199107000-00005
UR  - https://pubmed.ncbi.nlm.nih.gov/1923325/
ID  - 1923325
ER  -