- A
dioptre (British spelling) or
diopter (American spelling),
symbol dpt or D, is a unit of
measurement with
dimension of
reciprocal length, equivalent...
- 2.0-
dioptre lens
placed close to a thin 0.5-
dioptre lens
yields almost the same
focal length as a
single 2.5-
dioptre lens.
Depth of
field Dioptre f-number...
- The Four
Prism Dioptre Reflex Test (also
known as the 4 PRT, or 4
Prism Dioptre Base-out Test) is an objective, non-dissociative test used to
prove the...
- for a
constant head tilt or turn.
Prism correction is
measured in
prism dioptres. A
prescription that
specifies prism correction will also
specify the "base"...
- eye. This
dramatic change in
focal power of the eye of
approximately 15
dioptres (the
reciprocal of
focal length in metres)
occurs as a
consequence of a...
- A
dioptra (sometimes also
named dioptre or diopter, from Gr****: διόπτρα) is a
classical astronomical and
surveying instrument,
dating from the 3rd century...
- 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...
-
further expanded by Alhazen,
considered the
father of
modern optics. Diopter/
Dioptre (unit of measurement)
Dioptrice (work by
Johannes Kepler)
Catoptrics (study...
- 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...
-
reciprocal centimetre or
inverse centimetre (symbol: cm−1). In optics, the
dioptre is a unit
equivalent to
reciprocal metre.
Quantities measured in reciprocal...