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  2. Blind photography - Wikipedia

    en.wikipedia.org/wiki/Blind_photography

    This can allow blind photographers to take panoramic pictures. [3] Google's Pixel phones include an accessibility feature called "Guided Frame," using the Talkback screen reader, it walks visually impaired people through the steps of taking a selfie by telling the user where to move the phone and how to place themselves. When the image is ready ...

  3. Visual prosthesis - Wikipedia

    en.wikipedia.org/wiki/Visual_prosthesis

    The ability to give sight to a blind person via a bionic eye depends on the circumstances surrounding the loss of sight. For retinal prostheses, which are the most prevalent visual prosthetic under development (due to ease of access to the retina among other considerations), patients with vision loss due to degeneration of photoreceptors (retinitis pigmentosa, choroideremia, geographic atrophy ...

  4. Zoom lens - Wikipedia

    en.wikipedia.org/wiki/Zoom_lens

    A zoom lens is a system of camera lens elements for which the focal length (and thus angle of view) can be varied, as opposed to a fixed-focal-length (FFL) lens . A true zoom lens or optical zoom lens is a type of parfocal lens , one that maintains focus when its focal length changes. [ 1 ]

  5. Stereoblindness - Wikipedia

    en.wikipedia.org/wiki/Stereoblindness

    Stereoblindness (also stereo blindness) is the inability to see in 3D using stereopsis, or stereo vision, resulting in an inability to perceive stereoscopic depth by combining and comparing images from the two eyes. Individuals with only one functioning eye have this condition by definition since the visual input of the second eye does not exist.

  6. Color blind grandson and grandpa see certain colors for the ...

    www.aol.com/news/2015-12-07-color-blind-grandson...

    Kohen can even play sports in them. They were developed by Dr. Don Pherson and his team. They do have a bit of a back log, but are available to people for about $400. Valspar Color For The Colorblind:

  7. 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.

  8. Visual perception - Wikipedia

    en.wikipedia.org/wiki/Visual_perception

    Studies of people whose sight has been restored after a long blindness reveal that they cannot necessarily recognize objects and faces (as opposed to color, motion, and simple geometric shapes). Some hypothesize that being blind during childhood prevents some part of the visual system necessary for these higher-level tasks from developing ...

  9. 45 Times Rich People Were Completely Blind To Their Privilege

    www.aol.com/examples-privileges-rich-people-don...

    Image credits: Footlingpresentation #10. There was an article in Norway some years back asking rich people how they saved money. I think this was after the 2008 financial crisis.