Near point
http://dbpedia.org/resource/Near_point
Il punto prossimo rappresenta quella porzione di spazio, nel processo visivo, coniugato alla retina quando viene esercitata in modo completo l'accomodazione, ovvero il punto più vicino all'occhio che può essere messo a fuoco.
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In visual perception, the near point is the closest point at which an object can be placed and still form a focused image on the retina, within the eye's accommodation range. The other limit to the eye's accommodation range is the far point. A normal eye is considered to have a near point at about 11 cm (4.3 in) for a thirty year old. The near point is highly age dependent (see accommodation). A person with hyperopia or presbyopia would have a near point that is farther than normal.
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Punto prossimo
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Near point
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1123598758
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In visual perception, the near point is the closest point at which an object can be placed and still form a focused image on the retina, within the eye's accommodation range. The other limit to the eye's accommodation range is the far point. A normal eye is considered to have a near point at about 11 cm (4.3 in) for a thirty year old. The near point is highly age dependent (see accommodation). A person with hyperopia or presbyopia would have a near point that is farther than normal. Sometimes, near point is given in diopters (see Presbyopia § Mechanism), which refers to the inverse of the distance. For example a normal eye would have a near point of .
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Il punto prossimo rappresenta quella porzione di spazio, nel processo visivo, coniugato alla retina quando viene esercitata in modo completo l'accomodazione, ovvero il punto più vicino all'occhio che può essere messo a fuoco.
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3337