TY - GEN AU - Ritter,A D AU - Huhn-Beck,H TI - Dark focus of accommodation and nervous system activity SN - 1040-5488 PY - 1993///0923 KW - Accommodation, Ocular KW - physiology KW - Dark Adaptation KW - Exercise KW - Humans KW - Sympathetic Nervous System N1 - Publication Type: Journal Article ER -