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Amblyopia begins by the age of five. [2] In adults, the disorder is estimated to affect 1–5% of the population. [5] While treatment improves vision, it does not typically restore it to normal in the affected eye. [2] Amblyopia was first described in the 1600s. [9] The condition may make people ineligible to be pilots or police officers. [2]
An Amici roof prism, named for its inventor, the Italian astronomer Giovanni Battista Amici, is a type of reflecting prism used to deviate a beam of light by 90° while simultaneously inverting the image. It is commonly used in the eyepieces of telescopes as an image erecting system. It is sometimes called an Amici prism or right angle roof ...
In geometry, a triangular prism or trigonal prism [1] is a prism with 2 triangular bases. If the edges pair with each triangle's vertex and if they are perpendicular to the base, it is a right triangular prism. A right triangular prism may be both semiregular and uniform. The triangular prism can be used in constructing another polyhedron.
Older adults represent a significant proportion of the population, and this proportion is expected to increase with time. [86] Mental health concerns of older adults are important at treatment and support levels, as well as policy issues. The prevalence of suicide among older adults is higher than in any other age group. [87] [88]
The deck prism laid flush into the deck, the glass prism refracted and dispersed natural light into the space below from a small deck opening without weakening the planks or becoming a fire hazard. In normal usage, the prism hangs below the overhead and disperses the light sideways; the top is flat and installed flush with the deck, becoming ...
The construction works of the base took seven years, and the base opened on 23 November 2009. [1] The total investment size amounted to some 1.7 billion Serbian dinars and is the largest military facility built in Serbia over the past 20 years. The base provides training, logistics, recreation and sport facilities.
In mathematics, a base (or basis; pl.: bases) for the topology τ of a topological space (X, τ) is a family of open subsets of X such that every open set of the topology is equal to the union of some sub-family of .
In sexual relationships, concepts of age disparity, including what defines an age disparity, have developed over time and vary among societies.Differences in age preferences for mates can stem from partner availability, gender roles, and evolutionary mating strategies, and age preferences in sexual partners may vary cross-culturally.