- dioptric aberration
- spherical a.
Medical dictionary. 2011.
Medical dictionary. 2011.
Aberration — (1) A deviation or irregularity. For example, a chromosome aberration is a deviation from the normal chromosome number or the normal chromosome structure. In this sense, aberration is also synonymous with deflection, departure, divergence,… … Medical dictionary
spherical aberration — spher·i·cal aberration sfir i kəl , sfer n aberration that is caused by the spherical form of a lens or mirror and that gives different foci for central and marginal rays * * * zonal aberration in relation to an axial point; see negative… … Medical dictionary
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
Refracting telescope — A refracting or refractor telescope is a dioptric telescope that uses a lens as its objective to form an image. The refracting telescope design was originally used in spy glasses and astronomical telescopes but is also used in other devices such… … Wikipedia
Otto Scherzer — Above Rudolf Hilsch and Otto Scherzer, in front Erich Hückel, 1935 at Stuttgart Born 9 March 1909 Passau … Wikipedia
Image-forming optical system — In optics, an image forming optical system is a system capable of being used for imaging. The two traditional systems are mirror systems (catoptrics) and lens systems (dioptrics), although in the late twentieth century, optical fiber was… … Wikipedia
Catoptrics — deals with the phenomena of reflected light and image forming optical systems using mirrors. From the Greek κατοπτρικός (specular) [ A Concise Dictionary of the English and Modern Greek Languages by Antonius Nicholas Jannaris, 1895 J. Murray]… … Wikipedia
Alhazen — For the Moon crater, see Alhazen (crater). For the asteroid, see 59239 Alhazen. Alhazen Alhazen (Ibn al Haytham) … Wikipedia
visual zone — those dioptric surfaces and media around an optic axis in which there is practically no aberration of light rays … Medical dictionary