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The prism cover test (PCT) is an objective measurement and the gold standard in measuring strabismus, i.e. ocular misalignment, or a deviation of the eye. It is used by ophthalmologists and orthoptists in order to measure the vertical and horizontal deviation and includes both manifest and latent components. [1]
Emoticons can generally be divided into three groups: Western (mainly from United States and Europe) or horizontal (though not all are in that orientation); Eastern or vertical (mainly from East Asia ); and 2channel style (originally used on 2channel and other Japanese message boards).
Eye care professionals use prism correction as a component of some eyeglass prescriptions. A lens which includes some amount of prism correction will displace the viewed image horizontally, vertically, or a combination of both directions.
A schoolgirl who got Disney to create a princess with glasses in their hit animated feature Encanto has set her sights on challenging the stigma of the nerd face emoji.
An optical prism is a transparent optical element with flat, polished surfaces that are designed to refract light. At least one surface must be angled — elements with two parallel surfaces are not prisms. The most familiar type of optical prism is the triangular prism, which has a triangular base and rectangular sides.
Eyeglasses emoji may refer to: U+1F453 GLASSES EMOJI in the Unicode block Miscellaneous Symbols and Pictographs; 8-) and similar ASCII emoticons; see List of emoticons
Diffractive optical elements have negative dispersion characteristics, complementary to the positive Abbe numbers of optical glasses and plastics. Specifically, in the visible part of the spectrum diffractives have a negative Abbe number of −3.5. Diffractive optical elements can be fabricated using diamond turning techniques.
Light is reflected and refracted by the ice crystals and may split into colors because of dispersion. The crystals behave like prisms and mirrors, refracting and reflecting light between their faces, sending shafts of light in particular directions.
Emoji. The Miscellaneous Symbols and Arrows block contains seven emoji: U+2B05–U+2B07, U+2B1B–U+2B1C, U+2B50 and U+2B55. The block has fourteen standardized variants defined to specify emoji-style (U+FE0F VS16) or text presentation (U+FE0E VS15) for the seven emoji.
Splitting (also called binary thinking, black-and-white thinking, all-or-nothing thinking, or thinking in extremes) is the failure in a person's thinking to bring together the dichotomy of both perceived positive and negative qualities of something into a cohesive, realistic whole.
