#tetartanopia__yellow-blindness  a form of dichromacy characterized by lowered sensitivity to yellow light; so rare that its existence has been questioned
  supertype:  yellow-blue_dichromacy__yellow-blue_color_blindness  confusion of yellow and blue
     supertype:  dichromacy__dichromatism__dichromatopsia__dichromia__dichromasy  a deficiency of color vision in which the person can match any given hue by mixing only two other wavelengths of light (as opposed to the three wavelengths needed by people with normal color vision)
        supertype:  color_blindness__colorblindnes__colour_blindness__color_vision_deficiency__colour_vision_deficiency  genetic inability to distinguish differences in hue
           supertype:  visual_impairment__visual_defect__vision_defect__visual_disorder  impairment of the sense of sight
              supertype:  disability__disablement__handicap__impairment  the condition of being unable to perform as a consequence of physical or mental unfitness; "reading disability"; "hearing impairment"
                 supertype:  poor_shape__unfitness__unfitnes__badcondition  poor physical condition; being out of shape or out of condition
                    supertype:  ill_health__illhealth__unhealthiness__unhealthines__healthproblem  a state in which you are unable to function normally and without pain
                       supertype:  physiological_state__physiologicalstate__physiological_condition__physiologicalcondition  the condition of the body or bodily functions
                          supertype:  condition.state__status  a condition or state at a particular time: "a condition (or state) of disrepair"; "the current status of the arms negotiations"
                             supertype:  state  the way something is with respect to its main attributes; "the current state of knowledge"; "his state of health"; "in a weak financial state"
                                supertype:  state  situation that is not a process
                                   supertype:  situation  something that "occurs" in a real/imaginary region of time and space
                                      supertype:  thing__something___T__t___3D_or_4D_thing_or_anything_else  any category (type or individual) is instance of this type; any type is also a subtype of this type
                                supertype:  process__proces__physicalsituation  intuitively, the class of things that happen and have temporal parts or stages; examples include extended events like a football match or a race, actions like pursuing and reading, and biological processes; sumo#process is not identical to pm#situation because an instance of pm#situation is not necessarily an instance of sumo#physical
                                   supertype:  situation  something that "occurs" in a real/imaginary region of time and space
                                   supertype:  process_or_process_description
                                      supertype:  processing_thing
                                         supertype:  thing_playing_some_role  category to classify things according to roles/viewpoints; classification under this category is application-dependant
                                            supertype:  thing__something___T__t___3D_or_4D_thing_or_anything_else  any category (type or individual) is instance of this type; any type is also a subtype of this type
                                   supertype:  physical__physical_thing  an entity that has a location in space-time; locations are themselves understood to have a location in space-time; click here for more details on the identical category sowa#physical_thing
                                      supertype:  thing__something___T__t___3D_or_4D_thing_or_anything_else  any category (type or individual) is instance of this type; any type is also a subtype of this type
           supertype:  birth_defect__birthdefect__congenital_anomaly__congenital_defect__congenital_disorder__congenital_abnormality  a defect that is present at birth
              supertype:  defect  an imperfection in a bodily system; "visual defects"; "this device permits detection of defects in the lungs"
                 supertype:  imperfection__imperfectness__imperfectnes  the state or an instance of being imperfect
                    supertype:  state  the way something is with respect to its main attributes; "the current state of knowledge"; "his state of health"; "in a weak financial state"
              supertype:  anomalousness__anomalousnes  deviation from the normal or common order or form or rule
                 supertype:  abnormalcy__abnormality__abnormal_condition  an abnormal condition
                    supertype:  condition.state__status  a condition or state at a particular time: "a condition (or state) of disrepair"; "the current status of the arms negotiations"

No statement uses or specializes tetartanopia; click here to add one.