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achromatism    
n. 无色;消色

无色;消色

achromatism
n 1: the visual property of being without chromatic color [synonym:
{colorlessness}, {colourlessness}, {achromatism},
{achromaticity}] [ant: {color}, {coloring}, {colour},
{colouring}]

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  • achromatic optics – lens doublets, apochromats, achromatism, chromatic . . .
    The property of being achromatic (essentially insensitive to wavelength changes) is called achromatism Achromatic optics, in particular doublet and triplet achromatic lenses, have been invented and used already in the eighteenth century, and are very widely used in modern optical technology
  • Achromatopsia - EyeWiki
    Achromatopsia is recognized by the codes per the International Classification of Diseases (ICD) nomenclature Achromatopsia is a rare, bilateral inherited retinal degeneration affecting all three types of cone photoreceptor cells that results in the absecnce of color discrimination
  • Achromatopsia: Color Blindness and Other Vision Issues - Cleveland Clinic
    With achromatopsia, you have limited or no color vision plus serious vision issues In addition to being color blind, you may be sensitive to bright light and have low vision Treatments aim to manage symptoms and maximize independence What is achromatopsia? Achromatopsia is an inherited vision disorder that limits your ability to see color
  • Achromatopsia - GeneReviews® - NCBI Bookshelf
    Achromatopsia is characterized by reduced visual acuity, pendular nystagmus, increased sensitivity to light (photophobia), a small central scotoma, eccentric fixation, and reduced or complete loss of color discrimination
  • Achromatopsia - Wikipedia
    Achromatopsia, also known as rod monochromacy, is a medical syndrome that exhibits symptoms relating to five conditions, most notably monochromacy Historically, the name referred to monochromacy in general, but now typically refers only to an autosomal recessive congenital color vision condition
  • Achromats Selection Guide: Types, Features, Applications - GlobalSpec
    Achromats are optical lenses designed to minimize chromatic aberration Achromats are also known as achromatic lenses Chromatic aberration is a type of optical distortion which occurs when a lens fails to focus all colors to the same convergence point
  • Achromatopsia: Symptoms, Causes and Treatment - All About Vision
    Achromatopsia is a condition that affects both eyes It generally does not progress, meaning that a person’s vision typically does not worsen over time due to this disorder Like most types of color blindness, achromatopsia results from a problem within the retina
  • Achromatism | definition of achromatism by Medical dictionary
    achromatism (1) A term of waning popularity for complete colour blindness (2) Freedom in an optical system from chromatic aberration
  • What is Achromatopsia? — Foundation Fighting Blindness
    Achromatopsia is an inherited retinal condition causing extreme light sensitivity (i e , day blindness), as well as reduced visual acuity and color discrimination Achromatopsia is caused by mutations in any of several genes
  • ACHROMATISM
    Elimination of Chromatic Aberration is known as Achromatism When two or more lenses are combined together in such a way , then the combination is free from Chromatic Aberration





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