enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. Visual impairment - Wikipedia

    en.wikipedia.org/wiki/Visual_impairment

    Visual or vision impairment (VI or VIP) is the partial or total inability of visual perception.In the absence of treatment such as corrective eyewear, assistive devices, and medical treatment, visual impairment may cause the individual difficulties with normal daily tasks, including reading and walking. [6]

  3. Ganzfeld effect - Wikipedia

    en.wikipedia.org/wiki/Ganzfeld_effect

    The Ganzfeld effect has been reported since ancient times. The adepts of Pythagoras retreated to pitch-black caves to receive wisdom through their visions, [7] known as the prisoner's cinema. Miners trapped by accidents in mines frequently reported hallucinations, visions and seeing ghosts when they were in the pitch dark for days.

  4. Monochromacy - Wikipedia

    en.wikipedia.org/wiki/Monochromacy

    People with RM have a reduced visual acuity, (usually about 0.1 or 20/200), have total color blindness, photo-aversion and nystagmus. The nystagmus and photo-aversion usually are present during the first months of life, and the prevalence of the disease is estimated to be 1 in 30,000 worldwide. [ 3 ]

  5. LMS color space - Wikipedia

    en.wikipedia.org/wiki/LMS_color_space

    The LMS color space can be used to emulate the way color-blind people see color. An early emulation of dichromats were produced by Brettel et al. 1997 and was rated favorably by actual patients. An example of a state-of-the-art method is Machado et al. 2009. [20]

  6. Visual impairment in art - Wikipedia

    en.wikipedia.org/wiki/Visual_impairment_in_art

    The image displays a barefoot blind man in a long pale yellow tunic carrying a staff. [1] Healing a blind man in the Maastricht Hours, held in the British Library. [5] The blind man wears a loose brown tunic while being led by a white dog. [1] The Goldsmith of Arras, an illustration in the Miracles de Nostre Dame depicts a blind boy with a ...

  7. Achromatopsia - Wikipedia

    en.wikipedia.org/wiki/Achromatopsia

    Achromatopsia, also known as rod monochromacy, is a medical syndrome that exhibits symptoms relating to five conditions, most notably monochromacy.Historically, the name referred to monochromacy in general, but now typically refers only to an autosomal recessive congenital color vision condition.

  8. AOL Mail

    mail.aol.com/?icid=aol.com-nav

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  9. Visual release hallucinations - Wikipedia

    en.wikipedia.org/wiki/Visual_release_hallucinations

    Even though people of all ages may be affected by Charles Bonnet syndrome, those within the age range of 70 to 80 are primarily affected. [1] Among older adults (> 65 years) with significant vision loss, the prevalence of Charles Bonnet syndrome has been reported to be between 10% and 40%; a 2008 Australian study found the prevalence to be 17.5 ...