TY  - RPRT
TI  - Updating the classical approach to visual acuity.
AU  - Gerald Westheimer
PY  - 2001
DO  - 10.1111/j.1444-0938.2001.tb05035.x
UR  - https://pubmed.ncbi.nlm.nih.gov/12366366/
ID  - 12366366
ER  -