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  2. When I Consider How My Light is Spent - Wikipedia

    en.wikipedia.org/wiki/When_I_Consider_How_My...

    The Blind Milton (Thomas Uwins, c. 1817) "When I Consider How My Light is Spent" (also known as "On His Blindness") is one of the best known of the sonnets of John Milton (1608–1674). The last three lines are particularly well known; they conclude with "They also serve who only stand and wait", which is much quoted though rarely in context.

  3. Molyneux's problem - Wikipedia

    en.wikipedia.org/wiki/Molyneux's_problem

    Prior to treatment, the subjects (aged 8 to 17) were only able to discriminate between light and dark, with two of them also being able to determine the direction of a bright light. The surgical treatments took place between 2007 and 2010, and quickly brought the relevant subject from total congenital blindness to fully seeing.

  4. Recovery from blindness - Wikipedia

    en.wikipedia.org/wiki/Recovery_from_blindness

    The question was originally posed to him by philosopher William Molyneux, whose wife was blind: [2] Suppose a man born blind, and now adult, and taught by his touch to distinguish between a cube and a sphere of the same metal, and nighly of the same bigness, so as to tell, when he felt one and the other, which is the cube, which is the sphere.

  5. The Light That Failed - Wikipedia

    en.wikipedia.org/wiki/The_Light_That_Failed

    The Light That Failed is the first novel by the Nobel Prize-winning English author Rudyard Kipling, first published in Lippincott's Monthly Magazine in January 1891. Most of the novel is set in London, but many important events throughout the story occur in Sudan and Port Said.

  6. Eigengrau - Wikipedia

    en.wikipedia.org/wiki/Eigengrau

    Threshold increment versus background luminance for various target diameters (in arcmin). Data from tables 4 and 8 of Blackwell (1946), plotted in Crumey (2014). The flat curves at low light indicate Eigengrau. An example of noise observed in the dark An example of noise observed in the dark #2

  7. Darkness - Wikipedia

    en.wikipedia.org/wiki/Darkness

    The Creation of Light by Gustave Doré. Darkness is the condition resulting from a lack of illumination, or an absence of visible light.. Human vision is unable to distinguish colors in conditions of very low luminance because the hue-sensitive photoreceptor cells on the retina are inactive when light levels are insufficient, in the range of visual perception referred to as scotopic vision.

  8. Sanford Greenberg - Wikipedia

    en.wikipedia.org/wiki/Sanford_Greenberg

    Greenberg was born in Buffalo, New York as the oldest of four children. His father Albert was a tailor who died of a heart attack in 1946. Greenberg attended Bennett High School, then entered Columbia University in 1958 on a full scholarship where he roomed with Art Garfunkel and Jerry Speyer, and was a friend of Michael Mukasey.

  9. Notes on Blindness - Wikipedia

    en.wikipedia.org/wiki/Notes_on_Blindness

    The film profiles writer and theologian John M. Hull, who became totally blind after decades of steadily deteriorating vision. To help him make sense of the upheaval in his life, Hull began documenting his experiences on audio cassette and wrote his autobiography Touching the Rock: An Experience of Blindness in 1990.