Contrast (vision) - Wikipedia, the free encyclopedia
Contrast is the difference in visual properties that makes an object (or its representation in an image) distinguishable from other objects and the background. In visual perception of the real world,...
en.wikipedia.org/wiki/Contrast_(vision)
What is contrast sensitivity? ... How is contrast sensitivity testing performed? ... What is contrast sensitivity?; How is contrast sensitivity testing performed?; Why is contrast sensitivity testing important?
www.visionrx.com/library/enc/enc_contrast.asp www.visionrx.com/library/enc/enc_contrast.asp
Provides information on vision science, vision testing technology, contrast sensitivity, and functional vision.
www.contrastsensitivity.net/ www.contrastsensitivity.net/
CONTRAST SENSITIVITY CHART ... Contrast Sensitivity Testing :: Several contrast test systems are available -- the key difference is target type. For example, the Pelli-Robson chart determines the contrast required to read large letters of a fixed size.
www.contrastsensitivity.net/csc.html www.contrastsensitivity.net/csc.html
A contrast sensitivity test can detect vision problems that might not show up on a conventional eye chart. The test requires a special chart ... A contrast sensitivity test is a special way to measure visual acuity in an eye exam. Using a special chart, the test determines how well your eyes function in low light and how...
www.allaboutvision.com/eye-exam/contrast-sensitivity.ht... www.allaboutvision.com/eye-exam/contrast-sensitivity.htm
The contrast sensitivity function described here will be used to develop the color image metric described in chapter 8. Contrast sensitivity is sometimes called visual accuity [LaRP97], [FPSG96]. We will use the term contrast sensitivity here, since we have used this terminology throughout chapter 8.
www.cg.tuwien.ac.at/research/theses/matkovic/node20.htm... www.cg.tuwien.ac.at/research/theses/matkovic/node20.html
WHAT IS CONTRAST SENSITIVITY? ... WHY IS CONTRAST SENSITIVITY IMPORTANT TO MEASURE? ... Visual acuity is the measure of high contrast sensitivity. Visual acuity tests use black letters or symbols on a white chart, or black and white gratings.
www.e-advisor.us/Luisa/acuity_CS.htm
Standardized contrast sensitivity, ETDRS and glare tests by VectorVision; cataract documentation, glaucoma, contact lenses, sports vision, and more. ... New testing technologies such as contrast sensitivity, contrast acuity and ETDRS acuity are being more widely used to measure the quality of vision related to eye...
www.vectorvision.com/
The Mars Letter Contrast Sensitivity Test ... The Mars Letter Contrast Sensitivity Test, the most accurate and convenient contrast sensitivity test available, is now being sold direct to ophthalmologists, optometrists, eye clinics and vision researchers.
www.marsperceptrix.com/