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- Q4748517 subject Q7232964.
- Q4748517 abstract "The amplitude of accommodation is the maximum potential increase in optical power that an eye can achieve in adjusting its focus. It refers to a certain range of object distances for which the retinal image is as sharply focussed as possible.Amplitude of accommodation is measured during routine eye-examination. The closest that a normal eye can focus is typically about 10 cm for a child or young adult. Accommodation then decreases gradually with age, effectively finishing just after age fifty.The average amplitude of accommodation, in diopters, for a patient of a given age was estimated by Hofstetter in 1950 to be 18.5 - (0.30 * patient age in years) with the minimum amplitude of accommodation as 15 - (0.25 * age in years), and the maximum as 25 - (0.40 * age in years). However, Hofstetter's work was based on data from two early surveys which, although widely cited, used methodology with considerable inherent error.".
- Q4748517 wikiPageWikiLink Q16968921.
- Q4748517 wikiPageWikiLink Q193933.
- Q4748517 wikiPageWikiLink Q319595.
- Q4748517 wikiPageWikiLink Q5166383.
- Q4748517 wikiPageWikiLink Q7232964.
- Q4748517 wikiPageWikiLink Q7233289.
- Q4748517 wikiPageWikiLink Q796207.
- Q4748517 comment "The amplitude of accommodation is the maximum potential increase in optical power that an eye can achieve in adjusting its focus. It refers to a certain range of object distances for which the retinal image is as sharply focussed as possible.Amplitude of accommodation is measured during routine eye-examination. The closest that a normal eye can focus is typically about 10 cm for a child or young adult.".
- Q4748517 label "Amplitude of accommodation".