title: Electroretinography as a diagnostic test in colour vision deficiencies.
abstract: Colour vision defects were studied with an adapto-electroretinogram and with computer of average transients. ERG abnormalities were observed in achromatopsia, protanopia and protanomaly, which in deuteranopia and deuteranomaly the ERG was normal.
mesh_terms: D003117:Color Vision Defects / Q000175:diagnosis*; D004596:Electroretinography / Q000379:methods; D006801:Humans