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Certain abbreviations are current within the profession of optometry. They are used to denote clinical conditions, examination techniques and findings, and various forms of treatment. They are used to denote clinical conditions, examination techniques and findings, and various forms of treatment.
The Glossary of Digital Photography. Rocky Nook, 2007, ISBN 1-933952-04-0. Peres, Michael R. The Focal Encyclopedia of Photography, Fourth Edition. Focal, 2007, ISBN 0-240-80740-5. Taylor, Phil. Digital Photographic Imaging Glossary. Trafford, 2006, ISBN 1-55369-253-5. Glossary, issued by Nikon, explaining the Nikkor lens codes. Retrieved 2011 ...
Optical components are simple optical elements that are used in the construction of optical systems. Subcategories. This category has the following 5 subcategories ...
ROTSE – (observing program/telescope) Robotic Optical Transient Search Experiment, an observing program for detecting the optical counterparts of gamma ray bursts; also the telescopes used in this program; RQQ – (celestial object) radio-quiet quasar a quasar that produces weak radio emission
Optics is the science of light and its interaction with matter.. Optics is a broad subject area. Much of the content is covered in subcategories. Many basic concepts are covered in Category:Geometrical optics, in which light is considered as if it were composed of rays.
FROG – frequency-resolved optical gating; FROG-CRAB – frequency-resolved optical gating for complete reconstruction of attosecond bursts [citation needed] FWM – four-wave mixing; FP – Fabry–Perot laser
The human eye functions by focusing light onto a layer of photoreceptor cells called the retina, which forms the inner lining of the back of the eye. The focusing is accomplished by a series of transparent media. Light entering the eye passes first through the cornea, which provides much of the eye's optical power.
Subscripts 1 and 2 refer to initial and final optical media respectively. These ratios are sometimes also used, following simply from other definitions of refractive index, wave phase velocity, and the luminal speed equation: