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  2. Prism correction - Wikipedia

    en.wikipedia.org/wiki/Prism_correction

    A prism of power 1 Δ would produce 1 unit of displacement for an object held 100 units from the prism. [2] Thus a prism of 1 Δ would produce 1 cm visible displacement at 100 cm, or 1 metre. This can be represented mathematically as: = ⁡ where is the amount of prism correction in prism dioptres, and is the angle of deviation of the light.

  3. Coupon collector's problem - Wikipedia

    en.wikipedia.org/wiki/Coupon_collector's_problem

    Coupon collector's problem. In probability theory, the coupon collector's problem refers to mathematical analysis of "collect all coupons and win" contests. It asks the following question: if each box of a given product (e.g., breakfast cereals) contains a coupon, and there are n different types of coupons, what is the probability that more ...

  4. Diplopia - Wikipedia

    en.wikipedia.org/wiki/Diplopia

    Specialty. Neurology, ophthalmology. Diplopia is the simultaneous perception of two images of a single object that may be displaced horizontally or vertically in relation to each other. [ 1 ] Also called double vision, it is a loss of visual focus under regular conditions, and is often voluntary.

  5. Esotropia - Wikipedia

    en.wikipedia.org/wiki/Esotropia

    Esotropia (from Greek eso 'inward' and trope 'a turning' [ 1 ]) is a form of strabismus in which one or both eyes turn inward. The condition can be constantly present, or occur intermittently, and can give the affected individual a "cross-eyed" appearance. [ 2 ] It is the opposite of exotropia and usually involves more severe axis deviation ...

  6. Formula One engines - Wikipedia

    en.wikipedia.org/wiki/Formula_One_engines

    A 1990 W12 3.5 Formula One engine from the Life F1 car. The 1990 Formula One season was again dominated by Honda in McLarens with the 690 hp (515 kW) @ 13,500 rpm RA100E powering Ayrton Senna and Gerhard Berger ahead of the 680 hp (507 kW) @ 12,750 rpm Ferrari Tipo 036 of Alain Prost and Nigel Mansell. Behind them the Ford HBA4 for Benetton and ...

  7. AOL Mail

    mail.aol.com

    You can find instant answers on our AOL Mail help page. Should you need additional assistance we have experts available around the clock at 800-730-2563.

  8. Score Oprah's favorite shoes for 60% off for Prime Day - AOL

    www.aol.com/lifestyle/you-can-get-oprahs...

    (And by the way, those without Prime still get free shipping on orders of $35 or more.) ... Save $32 with coupon. See at Amazon. Anrabess Batwing Oversized Sweater . $28 $60. Save $32 with coupon.

  9. Maddox rod - Wikipedia

    en.wikipedia.org/wiki/Maddox_rod

    The strength of the prism is increased until the streak of the light passes through the centre of the prism, as the strength of the prism indicates the amount of deviation present. The Maddox rod is a handheld instrument composed of red parallel plano convex cylinder lens , which refracts light rays so that a point source of light is seen as a ...