TY  - RPRT
TI  - An algorithm for computing astigmatic refractive errors from ocular parameters.
AU  - P Erickson
PY  - 1981
DO  - 10.1097/00006324-198102000-00007
UR  - https://pubmed.ncbi.nlm.nih.gov/7223843/
ID  - 7223843
ER  -