| ACHROMATOPSIA | • achromatopsia n. Achromatopia. • ACHROMATOPSIA n. total colour-blindness, where only white, grey and black are visible. |
| ANOOPSIA | • anoopsia n. (Medicine) A condition in which one eye gazes upward while the other looks straight ahead. • ANOOPSIA n. a visual defect, an upward squint. |
| ANOPSIA | • anopsia n. (Ophthalmology) A defect in the visual field. • ANOPSIA n. a visual defect, an upward squint, also ANOOPSIA, ANOPIA. |
| AUTOPSIA | • autopsia n. Archaic form of autopsy. • AUTOPSIA n. a postmortem examination of a corpse, also AUTOPSY. |
| CHROMATOPSIA | • chromatopsia n. A visual aberration in which objects appear abnormally coloured, such as xanthopsia or cyanopia. • CHROMATOPSIA n. coloured vision. |
| ERYTHROPSIA | • erythropsia n. An abnormality of vision causing objects to appear red. • ERYTHROPSIA n. a defect of vision in which objects appear red. |
| HEMIANOPSIA | • hemianopsia n. (Ophthalmology) Blindness in one half of the field of vision of either or both eyes. • HEMIANOPSIA n. a defect of vision in consequence of which a person sees but half of an object looked at, also HEMIANOPIA, HEMIOPIA, HEMIOPSIA. |
| HEMIOPSIA | • hemiopsia n. Alternative spelling of hemianopsia. • HEMIOPSIA n. a defect of vision in consequence of which a person sees but half of an object looked at, also HEMIANOPIA, HEMIANOPSIA, HEMIOPIA. |
| MACROPSIA | • macropsia n. (Pathology) A disorder in which objects appear much larger than normal, most often the result of a neurological… • MACROPSIA n. a condition of the eyes in which objects appear larger than normal. |
| MICROPSIA | • micropsia n. (Pathology) A disorder in which objects appear much smaller than normal, most often the result of a… • MICROPSIA n. a condition of the eyes in which objects appear smaller than normal. |
| PALINOPSIA | • palinopsia n. A visual disturbance that causes images to persist to some extent even after their corresponding stimulus has left. • PALINOPSIA n. a visual disorder in which the patient perceives a prolonged afterimage, also PALINOPIA. |
| PHOTOPSIA | • photopsia n. (Medicine) The presence of perceived flashes of light. • PHOTOPSIA n. the appearance of light flashes due to retinal irritation, also PHOTOPSY. |
| TEICHOPSIA | • teichopsia n. Scintillating scotoma, a kind of visual aura preceding a migraine. • TEICHOPSIA n. visual blurring and colours associated with migraines. |
| XANTHOPSIA | • xanthopsia n. A visual defect, a form of chromatopsia in which everything appears yellow. • XANTHOPSIA n. a visual condition where things appear yellow. |