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Alhazen's problem, also known as Alhazen's billiard problem, is a mathematical problem in geometrical optics first formulated by Ptolemy in 150 AD. [1] It is named for the 11th-century Arab mathematician Alhazen ( Ibn al-Haytham ), who presented a geometric solution in his Book of Optics .
Subscripts 1 and 2 refer to initial and final optical media respectively. These ratios are sometimes also used, following simply from other definitions of refractive index, wave phase velocity, and the luminal speed equation:
See No Evil is a 2006 slasher film directed by Gregory Dark, written by Dan Madigan, produced by Joel Simon, and starring professional wrestler Kane (Glenn Jacobs). The first major film produced by WWE Films, the film went through many different working titles before the final title of See No Evil was chosen.
Visions of Light (also known as Visions of Light: The Art of Cinematography) [1] is a 1992 documentary film directed by Arnold Glassman, Todd McCarthy and Stuart Samuels. The film covers the art of cinematography since the conception of cinema at the turn of the 20th century.
A cataract is a cloudy area in the lens of the eye that leads to a decrease in vision of the eye. [1] [7] Cataracts often develop slowly and can affect one or both eyes. [1] Symptoms may include faded colours, blurry or double vision, halos around light, trouble with bright lights, and difficulty seeing at night. [1]
The human eye is an organ which reacts to light for several purposes. As a conscious sense organ, the eye allows vision. Rod and cone cells in the retina allow conscious light perception and vision including color differentiation and the perception of depth. The human eye can distinguish about 10 million colors. [3]
n November 1954, 29-year-old Sammy Davis Jr. was driving to Hollywood when a car crash left his eye mangled beyond repair. Doubting his potential as a one-eyed entertainer, the burgeoning performer sought a solution at the same venerable institution where other misfortunate starlets had gone to fill their vacant sockets: Mager & Gougelman, a family-owned business in New York City that has ...
Solomon Kane is a 2009 sword and sorcery film based on the pulp magazine character of the same name created in 1928 by Robert E. Howard.Written and directed by M. J. Bassett, the film stars James Purefoy in the title role. [3]