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  2. See Clearly Method - Wikipedia

    en.wikipedia.org/wiki/See_Clearly_Method

    The See Clearly Method was an eye-exercise program that was marketed as an alternative to the use of glasses, contact lenses, and eye surgery to improve vision. Sales were halted by legal action in 2006. The method is not supported by basic science, and no research studies were conducted prior to marketing. [1] [2] [3] The program is based in ...

  3. Stereopsis recovery - Wikipedia

    en.wikipedia.org/wiki/Stereopsis_recovery

    Stereopsis recovery, also recovery from stereoblindness, is the phenomenon of a stereoblind person gaining partial or full ability of stereo vision ( stereopsis ). Recovering stereo vision as far as possible has long been established as an approach to the therapeutic treatment of stereoblind patients. Treatment aims to recover stereo vision in ...

  4. Bates method - Wikipedia

    en.wikipedia.org/wiki/Bates_method

    The Bates method is an ineffective and potentially dangerous alternative therapy aimed at improving eyesight.Eye-care physician William Horatio Bates (1860–1931) held the erroneous belief that the extraocular muscles effected changes in focus and that "mental strain" caused abnormal action of these muscles; hence he believed that relieving such "strain" would cure defective vision.

  5. Pinhole glasses - Wikipedia

    en.wikipedia.org/wiki/Pinhole_glasses

    Pinhole glasses have been marketed by various companies on the claim that—combined with certain eye exercises—they could permanently improve eyesight. However, no scientific evidence has been found to support these claims.

  6. Contoura Vision - Wikipedia

    en.wikipedia.org/wiki/Contoura_vision

    Quality of vision. Contoura Vision has resulted in vision outcomes better than 6/6 (or 20/20, the standardized normal vision) in multiple patients who were a part of validation trials by the US FDA. Contoura Vision is the only technology where consistent success beyond 20/20 vision has been achieved in the majority of patients.

  7. Visual acuity - Wikipedia

    en.wikipedia.org/wiki/Visual_acuity

    Vision of 6/12 corresponds to lower performance, while vision of 6/3 to better performance. Normal individuals have an acuity of 6/4 or better (depending on age and other factors). In the expression 6/x vision, the numerator (6) is the distance in metres between the subject and the chart and the denominator (x) the distance at which a person ...

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