TY - GEN AU - Birch,J TI - Clinical use of the American Optical Company (Hardy, Rand and Rittler) pseudoisochromatic plates for red-green colour deficiency SN - 0275-5408 PY - 1997///0709 KW - Color Perception Tests KW - instrumentation KW - Color Vision Defects KW - classification KW - Humans KW - Male N1 - Publication Type: Comparative Study; Journal Article ER -