TY - RPRT TI - Visual acuity and contrast sensitivity in the elderly. AU - H Hirvelä AU - P Koskela AU - L Laatikainen PY - 1995 DO - 10.1111/j.1600-0420.1995.tb00648.x UR - https://pubmed.ncbi.nlm.nih.gov/7656135/ ID - 7656135 ER -