pelopsia — Trastorno visual caracterizado por la sensación de proximidad anormal de los objetos … Diccionario de oftalmología
dysmetropsia — The term dysmetropsia comes from the Greek words dus (bad), metron (yardstick), and opsis (seeing). It is used to denote a distorted perception of image size. The term dysmetropsia was introduced in or shortly before 1916 by the British… … Dictionary of Hallucinations
metamorphopsia — The term metamorphopsia comes from the Greek words metamorphoun (to change the form) and opsis (seeing). It translates roughly as seeing an altered form . It is not clear who introduced the term, but it appears in a medical lexicon as early as … Dictionary of Hallucinations
migraine aura — The term migraine comes from the Old English megrim, which is in turn indebted to the Greek noun hèmikranion (meaning half the skull). The introduction of the term hèmikranion is attributed to the classical physician Galen of Pergamum, born as … Dictionary of Hallucinations
sleep deprivation-induced hallucination — Also known as sleep deprivation hallucination. The term sleep deprivation refers to the deliberate prevention of sleep. Sleep deprivation may be self induced or induced by others, as in interrogation, torture, or sleep deprivation experiments … Dictionary of Hallucinations
telopsia — The term telopsia comes from the Greek words tèle (far) and opsis (seeing). It is used to denote a visual distortion in which stationary objects appear to be further away than they are. Telop sia is classified either as a *metamorphopsia or as … Dictionary of Hallucinations