sharpness of eyesight

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• Visual acuity — 20/15 and 20/15 vision redirect here. For other uses, see 2020 (disambiguation). Typical Snellen chart used for visual acuity testing. Visual acuity (VA) is acuteness or clearness of vision, which is dependent on the sharpness of the retinal… …   Wikipedia

• List of Fate/stay night characters — This is a list of characters from the Japanese adult visual novel, Fate/stay night, created by Type Moon and adapted in an anime series by Studio Deen. The voices of the characters listed are from the anime and PlayStation 2 version of the game.… …   Wikipedia

• Giacomo Leopardi — Giacomo Taldegardo Francesco di Sales Saverio Pietro Leopardi Born June 29, 1798(1798 06 29) Recanat …   Wikipedia

• Twelve Swords of Power — Doomgiver redirects here. For the Imperial Star Destroyer in the Star Wars expanded universe see Doomgiver (Star Wars). The Twelve Swords of Power, Swords of Power, or swords featured in the epic Fred Saberhagen sci fi/fantasy series, Books of… …   Wikipedia

• A. N. Sherwin-White — Infobox Person name = Adrian Nicholas Sherwin White birth date = birth date|1911|8|10|df=y death date = death date and age|1993|11|1|1911|8|10|df=y death place = Fyfield, Oxfordshire nationality = British education = Merchant Taylors School St… …   Wikipedia

• Axe of the Dwarvish Lords — In the Dungeons Dragons roleplaying game, Axe of the Dwarvish Lords refers to both a powerful magic item and to an adventure module focusing on the item.Within the context of the game as an item, the Axe is an artifact, or a unique magical weapon …   Wikipedia

• Archer (Fate/stay night) — Archer is a fictional character from the Japanese visual novel and anime series Fate/stay night by TYPE MOON.He is the Servant of one of the series main heroines, Rin Tōsaka. Due to an incomplete summon, he apparently has no memory of his… …   Wikipedia

• Chrono Numbers — The Chrono Numbers (also known as Toki no Bannin or Chronos Time Guardians ) are a group of characters in the anime and manga Black Cat.ephiria ArksSephiria Arks is the head of the Chrono Numbers. Jenos Hazard is the only one of the Chrono… …   Wikipedia

• Optics and vision — Contents 1 Visual perception 1.1 Human Visual system 1.2 Human eye 1.3 Visual acuity 2 …   Wikipedia

• Snellen fraction —    a ratio (such as 20/20 or 20/100) measuring the acuity (sharpness) of a person s eyesight for objects at a distance. The denominator (number after the slash) is the distance at which the detail of a letter on a standard test chart would… …   Dictionary of units of measurement

• twenty-twenty — (also 20/20) ► ADJECTIVE ▪ (of vision) of normal sharpness. ORIGIN with reference to the fraction for normal visual acuity in eyesight tests …   English terms dictionary