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Visual acuity enhancement: Difference between revisions

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{{#ev:gfycat|https://giant.gfycat.com/IndolentDeliriousGiantschnauzer.webm|400x225|right|'''Visual acuity enhancement''' by '''[https://www.reddit.com/user/StingrayZ StingrayZ]''' - This animation serves as a replication of visual acuity enhancement, which is a common [[psychedelic]] effect. It demonstrates the general differences between normal vision and acuity enhancement by shifting between the two states. There is also a subtle amount of visual [[drifting]] within this replication.|frame}}
{{#ev:gfycat|https://giant.gfycat.com/IndolentDeliriousGiantschnauzer.webm|400x225|right|'''Visual acuity enhancement''' by '''[https://www.reddit.com/user/StingrayZ StingrayZ]''' - This animation serves as a replication of visual acuity enhancement, which is a common [[psychedelic]] effect. It demonstrates the general differences between normal vision and acuity enhancement by shifting between the two states. There is also a subtle amount of visual [[drifting]] within this replication.|frame}}
'''Acuity enhancement''' can be described as an enhancement of the clearness and clarity of vision. This results in the visual details of the external environment becoming sharpened to the point where the edges of objects become perceived as extremely focused, clear and defined. The experience of acuity enhancement can be likened to bringing a camera or projector lens that was slightly blurry into focus. At its highest level, one may experience the perception that they can now observe and comprehend their entire visual field simultaneously, including their peripheral vision. This is in contrast to a sober person, who is typically only able to perceive the small area of central vision in detail.<ref> Sardegna, Jill; Shelly, Susan; Rutzen, Allan Richard; Scott M Steidl (2002). [https://books.google.co.uk/books?id=l7UN5asLD0cC&pg=PA253&redir_esc=y#v=onepage&q&f=false The Encyclopedia of Blindness and Vision Impairment. Infobase Publishing]. p. 253. ISBN 978-0-8160-6623-0. Retrieved 30 November 2014.</ref>
'''Acuity enhancement''' can be described as an enhancement of the clearness and clarity of vision. This results in the visual details of the external environment becoming sharpened to the point where the edges of objects become perceived as extremely focused, clear and defined. The experience of acuity enhancement can be likened to bringing a camera or projector lens that was slightly blurry into focus. At its highest level, one may experience the perception that they can now observe and comprehend their entire visual field simultaneously, including their peripheral vision. This is in contrast to a sober person, who is typically only able to perceive the small area of central vision in detail. <ref>Fischer, R., Hill, R., Thatcher, K., & Scheib, J. (1970). Psilocybin-induced contraction of nearby visual space. Agents and actions, 1(4), 195.
https://doi.org/10.1007/BF01965761</ref> <ref>Sardegna, Jill; Shelly, Susan; Rutzen, Allan Richard; Scott M Steidl (2002). [https://books.google.co.uk/books?id=l7UN5asLD0cC&pg=PA253&redir_esc=y#v=onepage&q&f=false The Encyclopedia of Blindness and Vision Impairment. Infobase Publishing]. p. 253. ISBN 978-0-8160-6623-0. Retrieved 30 November 2014.</ref>


While under the influence of this effect, it is very common for people to suddenly notice patterns and details in the environment they may have never previously noticed or appreciated. For example, when looking at sceneries, nature, and everyday textures the complexity and perceived beauty of the visual input often becomes suddenly obvious.
While under the influence of this effect, it is very common for people to suddenly notice patterns and details in the environment they may have never previously noticed or appreciated. For example, when looking at sceneries, nature, and everyday textures the complexity and perceived beauty of the visual input often becomes suddenly obvious.

Revision as of 05:28, 21 February 2018

{{#ev:gfycat|https://giant.gfycat.com/IndolentDeliriousGiantschnauzer.webm%7C400x225%7Cright%7CVisual acuity enhancement by StingrayZ - This animation serves as a replication of visual acuity enhancement, which is a common psychedelic effect. It demonstrates the general differences between normal vision and acuity enhancement by shifting between the two states. There is also a subtle amount of visual drifting within this replication.|frame}} Acuity enhancement can be described as an enhancement of the clearness and clarity of vision. This results in the visual details of the external environment becoming sharpened to the point where the edges of objects become perceived as extremely focused, clear and defined. The experience of acuity enhancement can be likened to bringing a camera or projector lens that was slightly blurry into focus. At its highest level, one may experience the perception that they can now observe and comprehend their entire visual field simultaneously, including their peripheral vision. This is in contrast to a sober person, who is typically only able to perceive the small area of central vision in detail. [1] [2]

While under the influence of this effect, it is very common for people to suddenly notice patterns and details in the environment they may have never previously noticed or appreciated. For example, when looking at sceneries, nature, and everyday textures the complexity and perceived beauty of the visual input often becomes suddenly obvious.

Acuity enhancement is often accompanied by other coinciding effects such as color enhancement and pattern recognition enhancement. It is most commonly induced under the influence of mild dosages of psychedelic compounds, such as LSD, psilocybin, and mescaline. However, it can also occur to a lesser extent under the influence of certain stimulants and dissociatives such as MDMA or 3-MeO-PCP.

Image examples


Psychoactive substances

Compounds within our psychoactive substance index which may cause this effect include:

... further results

Experience reports

Anecdotal reports which describe this effect within our experience index include:

See also

References

  1. ↑ Fischer, R., Hill, R., Thatcher, K., & Scheib, J. (1970). Psilocybin-induced contraction of nearby visual space. Agents and actions, 1(4), 195. https://doi.org/10.1007/BF01965761
  2. ↑ Sardegna, Jill; Shelly, Susan; Rutzen, Allan Richard; Scott M Steidl (2002). The Encyclopedia of Blindness and Vision Impairment. Infobase Publishing. p. 253. ISBN 978-0-8160-6623-0. Retrieved 30 November 2014.
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