title: Achromatic isopters on coloured background in some acquired colour vision deficiencies.
mesh_terms: D000328:Adult; D003118:Color Perception; D003117:Color Vision Defects / Q000175:diagnosis; D006801:Humans; D007700:Kinetics; D008875:Middle Aged; D012160:Retina / Q000502:physiology; D058609:Visual Field Tests