TY  - RPRT
TI  - Relationship between visual acuity and observation distance.
AU  - G Heron
AU  - H P Furby
AU  - R J Walker
AU  - C S Lane
AU  - O J Judge
PY  - 1995
UR  - https://pubmed.ncbi.nlm.nih.gov/7724215/
ID  - 7724215
ER  -