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  2. Anisometropia - Wikipedia

    en.wikipedia.org/wiki/Anisometropia

    In this example the first eye, with a −1.00 diopter prescription, is the stronger eye, needing only slight correction to sharpen the image formed, and hence a thin spectacle lens. The second eye, with a −4.00 diopter prescription, is the weaker eye, needing moderate correction to sharpen the image formed, and hence a moderately thick ...

  3. Glossary of video game terms - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_video_game_terms

    2. The act of waiting around a rare mob or player's spawn point, usually in MMOs. This may be known as spawn-camping or spawn-trapping. capture the flag (CTF) A common game mode in multiplayer video games, where the goal is to capture and retrieve a flag from the opposing side's territory while defending the flag in one's own territory. carry

  4. Characters of Sonic the Hedgehog - Wikipedia

    en.wikipedia.org/wiki/Characters_of_Sonic_the...

    Doctor Ivo Robotnik, [b] [3] better known by his alias Doctor Eggman, [c] [4] is a human mad scientist and the main antagonist of the series. Debuting in the first game of the series, Sonic the Hedgehog, he was shown attempting to collect the Chaos Emeralds and turn all of the animals inhabiting the land into robots.

  5. Lapis lazuli - Wikipedia

    en.wikipedia.org/wiki/Lapis_Lazuli

    Lapis lazuli (UK: / ˌ l æ p ɪ s ˈ l æ z (j) ʊ l i, ˈ l æ ʒ ʊ-,-ˌ l i /; US: / ˈ l æ z (j) ə l i, ˈ l æ ʒ ə-,-ˌ l i /), or lapis for short, is a deep-blue metamorphic rock used as a semi-precious stone that has been prized since antiquity for its intense color.

  6. Visual acuity - Wikipedia

    en.wikipedia.org/wiki/Visual_acuity

    In young humans, the average visual acuity of a healthy, emmetropic eye (or ametropic eye with correction) is approximately 6/5 to 6/4, so it is inaccurate to refer to 6/6 visual acuity as "perfect" vision. On the contrary, Tscherning writes, "We have found also that the best eyes have a visual acuity which approaches 2, and we can be almost ...

  7. Neptune - Wikipedia

    en.wikipedia.org/wiki/Neptune

    Neptune is not visible to the unaided eye and is the only planet in the Solar System that was not initially observed by direct empirical observation. Rather, unexpected changes in the orbit of Uranus led Alexis Bouvard to hypothesise that its orbit was subject to gravitational perturbation by an unknown planet.

  8. Rare-earth element - Wikipedia

    en.wikipedia.org/wiki/Rare-earth_element

    The principal sources of rare-earth elements are the minerals bastnäsite (RCO 3 F, where R is a mixture of rare-earth elements), monazite (XPO 4, where X is a mixture of rare-earth elements and sometimes thorium), and loparite ((Ce,Na,Ca)(Ti,Nb)O 3), and the lateritic ion-adsorption clays.

  9. Beaver - Wikipedia

    en.wikipedia.org/wiki/Beaver

    [31] [94] Newborn beavers are precocial with a full fur coat, and can open their eyes within days of birth. [24] [31] Their mother is the primary caretaker, while their father maintains the territory. [9] Older siblings from a previous litter also play a role. [95] After they are born, the kits spend their first one to two months in the lodge.