geometrical spectrum

Dictionary of Hallucinations. . 2010.

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  • fortification spectrum —    Also known as fortification figure, fortification of Vauban, geometrical spectrum, herringbone, flittering scotoma, Norman arch, scintillating scotoma, telehopsia, and teichopsia. The introduction of the term fortification spectrum is commonly …   Dictionary of Hallucinations

  • scintillating scotoma —    Also known as flittering scotoma, fortification spectrum, fortification figure, fortification of Vauban, geometrical spectrum, herringbone, Norman arch, telehopsia, and teichopsia. The term scintillating scotoma is indebted to the Latin noun… …   Dictionary of Hallucinations

  • fortification of vauban —    Also known as fortification figure, fortification spectrum, flittering scotoma, geometrical spectrum, herringbone, Norman arch, scintillating scotoma, telehopsia, and teichopsia. The introduction of the eponym fortification of Vauban stems… …   Dictionary of Hallucinations

  • teichopsia —    Also known as fortification spectrum, fortification figure, fortification of Vauban, geometrical spectrum, herringbone, Norman arch, scintillating scotoma, and flittering scotoma. The term teichopsia comes from the Greek words teichos (wall),… …   Dictionary of Hallucinations

  • light — light1 lightful, adj. lightfully, adv. /luyt/, n., adj., lighter, lightest, v., lighted or lit, lighting. n. 1. something that makes things visible or affords illumination: All colors depend on light. 2. Physics …   Universalium

  • optics — /op tiks/, n. (used with a sing. v.) the branch of physical science that deals with the properties and phenomena of both visible and invisible light and with vision. [1605 15; < ML optica < Gk optiká, n. use of neut. pl. of OPTIKÓS; see OPTIC,… …   Universalium

  • Hilbert space — For the Hilbert space filling curve, see Hilbert curve. Hilbert spaces can be used to study the harmonics of vibrating strings. The mathematical concept of a Hilbert space, named after David Hilbert, generalizes the notion of Euclidean space. It… …   Wikipedia

  • Optics — For the book by Sir Isaac Newton, see Opticks. Optical redirects here. For the musical artist, see Optical (artist). Optics includes study of dispersion of light. Optics is the branch of …   Wikipedia

  • eye, human — ▪ anatomy Introduction  specialized sense organ capable of receiving visual images, which are then carried to the brain. Anatomy of the visual apparatus Structures auxiliary to the eye The orbit       The eye is protected from mechanical injury… …   Universalium

  • Optical aberration — v · d · e Optical aberration …   Wikipedia

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