Example image of eyePlorer eyePlorer map for 'Color blindness': Color Color vision Brain Chemical substance Eye Gene Nerve John Dalton Science Disability Evolution Cone cell Photopic vision Retina Rod cell Scotopic vision Absorption spectrum X chromosome Zygosity Johns Hopkins University Mendelian Inheritance in Man Shaken baby syndrome Ultraviolet Heredity Lateral geniculate nucleus Thalamus Visual cortex Aura (symptom) Migraine Dichromacy Black-and-white Grey Monochromacy Achromatopsia Pathologic nystagmus Photophobia Trichromacy Visible spectrum Federated States of Micronesia Pingelap Pohnpei Visual acuity Nanometre DNA Anomaloscope Hue Chromosome 7 (human) Cerebral achromatopsia Color agnosia Visual agnosia