Definition of Dioptres. Meaning of Dioptres. Synonyms of Dioptres

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

Definition of Dioptres

Dioptre
Dioptre Di*op"tre, n. [F. See 2d Dioptric.] (Optics) A unit employed by oculists in numbering glasses according to the metric system; a refractive power equal to that of a glass whose principal focal distance is one meter.

Meaning of Dioptres from wikipedia

- accommodation is about 11 to 16 dioptres at age 15, decreasing to about 10 dioptres at age 25, and to around 1 dioptre above age 60. Convex lenses have...
- prism dioptres) c is decentration (the distance between the pupil centre and the lens's optical centre, in millimetres) f is lens power (in dioptres) The...
- natural environment is approximately 18 dioptres, roughly one-third of the eye's total power of about 60 dioptres. By 25 years of age the ability of the...
- power. In humans, the refractive power of the cornea is approximately 43 dioptres. The cornea can be reshaped by surgical procedures such as LASIK. While...
- has a twelve prism dioptre exotropia in the distance. At near they have a larger exotropic deviation measuring 18 prism dioptres. They also have a right...
- is the inverse metre (m−1), which, in this case, is commonly called the dioptre (symbol: dpt or D). Converging lenses have positive optical power, while...
- For example, a 2-dioptre lens brings parallel rays of light to focus at 1⁄2 metre. A flat window has an optical power of zero dioptres, as it does not...
- obtained in this condition is MP0 = doΦ + 1, where Φ is the optical power in dioptres and do is the near point of the eye, which is typically ****umed to be 0...
- well-adapted for sensing green light. Although their accommodation of 11 dioptre is comparable to that of humans and they see well in twilight because of...
- design of the lens, with a final addition power between 0.75 and 3.50 dioptres. The addition value prescribed depends on the level of presbyopia of the...