defective vision

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• defective — adj. VERBS ▪ be, prove ▪ If the goods prove defective, the customer has the right to compensation. ADVERB ▪ highly, seriously (esp. BrE), severely …   Collocations dictionary

• anomalous trichromatic vision — defective color vision in which a person has all three cone pigments, but one is deficient or anomalous (but not absent). There are three types: protanomaly, deuteranomaly, and tritanomaly; they may be either acquired (resulting from a retinal,… …   Medical dictionary

• Machine vision — (MV System) is the application of computer vision to industry and manufacturing. Whereas computer vision is mainly focused on machine based image processing, machine vision most often requires also digital input/output devices and computer… …   Wikipedia

• Color vision — White light shone onto a green surface is perceived as green by the human eye, and processed as such in the brain s visual cortex …   Wikipedia

• The Vision of the Twelve Goddesses — was an early Jacobean era masque, written by Samuel Daniel and performed in the Great Hall of Hampton Court Palace on the evening of Sunday, January 8, 1604. One of the earliest of the Stuart Court masques, [A masque for male courtiers was staged …   Wikipedia

• tunnel vision — ► NOUN 1) defective sight in which things cannot be seen properly if they are not close to the centre of the field of view. 2) informal the tendency to focus exclusively on a single or limited objective or view …   English terms dictionary

• tunnel vision — noun 1》 defective sight in which objects can only be properly seen if they are close to the centre of the field of view. 2》 informal the tendency to focus exclusively on a single or limited objective or view …   English new terms dictionary

• relative hemianopia — defective vision of or blindness to form or color in half of the visual field, the perception of light being retained …   Medical dictionary

• eye disease — Introduction  any of the diseases or disorders that affect the human eye (eye, human).       This article briefly describes the more common diseases of the eye and its associated structures, the methods used in examination and diagnosis, and the… …   Universalium

• eye — Synonyms and related words: Anschauung, Sherlock, Sherlock Holmes, accountability, air hole, amaurosis, angle, angle of vision, annulet, armhole, assumption, attend, attitude, auspices, baby blues, banjo eyes, basis, be vigilant, be watchful,… …   Moby Thesaurus

• Margaret Darst Corbett — (January 17, 1889 – December 5, 1962)[1] was an American vision educator who used the Bates Method for better eyesight. She became famous after her prosecution and acquittal on a charge of violating Californian law against the practice of… …   Wikipedia