An anomaly in the response of the eye to light of short wavelengths.
D000222:Adaptation, Physiological; D000360:Afterimage / Q000502:physiology; D003118:Color Perception / Q000502:physiology*; D006801:Humans; D008027:Light; D010775:Photic Stimulation; D010786:Photoreceptor Cells / Q000502:physiology*; D012160:Retina / Q000033:anatomy & histology / Q000502:physiology; D013057:Spectrum Analysis; D014785:Vision, Ocular