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The most common form is caused by a genetic condition called congenital red–green color blindness (including protan and deutan types), which affects up to 1 in 12 males (8%) and 1 in 200 females (0.5%). [2] [3] The condition is more prevalent in males, because the opsin genes responsible are located on the X chromosome. [2]
Deutan: (6% of males): lacking, or possessing anomalous M-opsins for medium-wavelength-sensitive cone cells. Despite often being called red-blind and green-blind respectively, protan and deutan varieties have very similar phenotypes (color vision), especially when compared to tritan color blindness.
A 2022 study evaluated the impact of EnChroma eyewear on 13 anomalous trichromats (9 deutan, 4 protan), who used the glasses for two weeks. The research measured Visually Evoked Potentials (VEPs) elicited by red, green, and blue stimuli, and assessed color naming and color discrimination thresholds.
This is a comparison of English dictionaries, which are dictionaries about the language of English.The dictionaries listed here are categorized into "full-size" dictionaries (which extensively cover the language, and are targeted to native speakers), "collegiate" (which are smaller, and often contain other biographical or geographical information useful to college students), and "learner's ...
English orthography comprises the set of rules used when writing the English language, [1] [2] allowing readers and writers to associate written graphemes with the sounds of spoken English, as well as other features of the language. [3] English's orthography includes norms for spelling, hyphenation, capitalisation, word breaks, emphasis, and ...
Name Definition Example Setting as a form of symbolism or allegory: The setting is both the time and geographic location within a narrative or within a work of fiction; sometimes, storytellers use the setting as a way to represent deeper ideas, reflect characters' emotions, or encourage the audience to make certain connections that add complexity to how the story may be interpreted.
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In literature, writing style is the manner of expressing thought in language characteristic of an individual, period, school, or nation. [1] As Bryan Ray notes, however, style is a broader concern, one that can describe "readers' relationships with, texts, the grammatical choices writers make, the importance of adhering to norms in certain contexts and deviating from them in others, the ...