Definition of Dioptrical. Meaning of Dioptrical. Synonyms of Dioptrical

Here you will find one or more explanations in English for the word Dioptrical. Also in the bottom left of the page several parts of wikipedia pages related to the word Dioptrical and, of course, Dioptrical synonyms and on the right images related to the word Dioptrical.

Definition of Dioptrical

Dioptrical
Dioptric Di*op"tric, Dioptrical Di*op"tric*al, a. [Gr. ? belonging to the use of the ?; ? = dia` through + the root of ? I shall see: cf. F. dioptrique.] Of or pertaining to dioptrics; assisting vision by means of the refraction of light; refractive; as, the dioptric system; a dioptric glass or telescope. ``Dioptrical principles.' --Nichol. Dioptric curve (Geom.), a Cartesian oval. See under Cartesian.

Meaning of Dioptrical from wikipedia

- Dioptrics is the branch of optics dealing with refraction, especially by lenses. In contrast, the branch dealing with mirrors is known as catoptrics....
- Dioptric correction is the expression for the adjustment of the optical instrument to the varying visual acuity of a person's eyes. It is the adjustment...
- In optics, optical power (also referred to as dioptric power, refractive power, focusing power, or convergence power) is the degree to which a lens, mirror...
- 25, and to around 1 dioptre above age 60. Convex lenses have positive dioptric value and are generally used to correct hyperopia (farsightedness) or to...
- 1911 Physiology Allvar Gullstrand 1862– 1930 Sweden "for his work on the dioptrics of the eye" 1914 Physiology Robert Bárány 1876–1936 Austria-Hungary "for...
- become Fermat's principle. He made major contributions to catoptrics and dioptrics by studying reflection, refraction and nature of images formed by light...
- work in three essays: "Les Météores" (The Meteors), "La Dioptrique" (Dioptrics) and La Géométrie (Geometry), preceded by an introduction, his famous...
- their boat capsized. In 1910 the fixed light was changed to a fifth order dioptric lens, flashing with a character of one flash every three seconds. This...
- radiation can result in acute and chronic harmful effects on the eye's dioptric system and retina. The risk is elevated at high altitudes and people living...
- Cartridge 12.7×55mm STs-130 Action Double-action revolver Feed system 5-round cylinder Sights adjustable dioptric sight and a fixed sight with a V-shaped slot...