-ENCHROMA-

Filtering of colors to adjust them for people with color vision deficency.jpg

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-as of [9 SEPTEMBER 2024]

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*OFFICIAL LINK*

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-CLOTHES-
(AMAZON LIST)

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*AMAZON LINK 1*

$229

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-‘EnChroma lenses’ are ‘glasses’ which are designed to alleviate symptoms of ‘red–green color blindness’-

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Studies have shown that while the lenses alter the perception of already perceived colors, they do not restore normal color vision

Initial claims in excess of this by the manufacturer have been criticised and characterized as marketing hype

Recent research has shown the lenses have a positive impact on those with red-green color blindness

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History

Glass scientist Donald McPherson invented EnChroma glasses by accident.

He originally was trying to develop lenses to protect and aid surgeons during laser operations

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Technology

The upper picture shows an ordinary scene taken through an ordinary lens, while the lower shows the same scene taken through an EnChroma lens

The lenses focus on the most common color vision deficiency which is caused by the red and green retinal cone cells that, when responding to light, coincide.

To eliminate the overlapping of the wavelengths of light, there is an optical material called a notch filter, which is capable of removing the exact wavelengths of light in the location where it overlaps, getting a simplified differentiation of colors.

The glasses block specific wavelengths to create a clearer separation of different color signals so that they can be better calculated by the brain.

The separation of signals allows most people with color blindness to distinguish colors, but the glasses will have little to no effect on the 20% of color blind people who have severe color impairment

The technology was awarded patent number 10,338,286 by the United States Patent and Trademark office

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Scientific analysis

A study in 2017 involving 23 males aged from 20 to 25 years with normal trichromatic color vision showed that Enchroma Cx-14 lens notches the blue and violet region of the visible spectrum.

This induced participants with normal color vision to experience tritan defect when wearing the lens

In a subsequent study involving ten individuals with hereditary deficiencies (nine males and one female from age 19 to 52), the EnChroma Cx-14 filters did not significantly influence the vision of color blind subjects and “improved the error score in only two subjects”

In 2018, a study of EnChroma lenses proved that they help color blind people to see the same colors in a different way since the colored filter altered the way colors appeared in their eyes

The researchers found the effect of using EnChroma glasses is similar to glasses where the use of color filters changes the user’s perception and increases the contrast among the colors, such as those used for shooting or hunting.

The research showed that EnChroma glasses did not reveal any improvement in the Ishihara test and Farnsworth–Munsell 100 hue test

In 2020, a UC Davis Health Eye Center study, conducted in collaboration with France’s INSERM Stem Cell and Brain Research Institute, found that EnChroma lenses enhanced color vision for those with the most common types of red-green color vision deficiency.

The study also found that the color enhancing effect persisted even after taking off the glasses

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References

^ “How EnChroma Glasses Work”. EnChroma. Retrieved 23 February 2021

^ Jump up to: a b Gómez-Robledo, L; Valero, EM; Huertas, R; Martínez-Domingo, MA; Hernández-Andrés, J (29 October 2018). “Do EnChroma glasses improve color vision for colorblind subjects?”. Optics Express. 26 (22): 28693–28703. doi:10.1364/OE.26.028693. hdl:10481/57698. PMID 30470042.

^ Martínez-Domingo, MA; Gómez-Robledo, L; Valero, EM; Huertas, R; Hernández-Andrés, J; Ezpeleta, S; Hita, E (24 June 2019). “Assessment of VINO filters for correcting red-green Color Vision Deficiency”. Optics Express. 27 (13): 17954–17967. doi:10.1364/OE.27.017954. hdl:10481/57382. PMID 31252746.

^ NLN, Dave (14 November 2018). “Do EnChroma glasses for colour blind people work?”. Skeptical-science.com. Skeptical Science. Archived from the original on 14 November 2018. Retrieved 14 September 2020.

^ Jump up to: a b University of Granada (29 October 2018). “Scientists debunk the effectiveness of EnChroma glasses for colorblind people”. Phys.org. Retrieved 23 November 2018.

^ Jump up to: a b “Study finds that special filters in glasses can help the color blind see colors better”. UC Davis Health. Retrieved 2021-02-25.

^ Werner, John S.; Marsh-Armstrong, Brennan; Knoblauch, Kenneth (August 2020). “Adaptive Changes in Color Vision from Long-Term Filter Usage in Anomalous but Not Normal Trichromacy”. Current Biology. 30 (15): 3011–3015.e4. doi:10.1016/j.cub.2020.05.054. ISSN 0960-9822.

^ Martin, Claire (15 August 2015). “EnChroma’s accidental spectacles find niche among the colorblind”. The New York Times. Retrieved 8 November 2018.

^ Diane, Kelly; Maddie, Stone (11 July 2015). “Can These Glasses Help the Colorblind? We Put EnChroma to the Test”. Gizmodo. Retrieved 29 November 2018.

^ Bettenhausen, Craig (6 February 2017). “Experimenting with EnChroma’s color-blind assistance glasses”. Chemical & Engineering News. 95 (6): 80. Retrieved 30 November 2018.

^ 10338286, Schmeder, Andrew W. & Donald M. McPherson, “United States Patent: 10338286 – Multi-band color vision filters and method by LP-optimization”, issued July 2, 2019

^ Jump up to: a b Almutairi, Nawaf; Kundart, James; Muthuramalingam, Naganathan; Hayes, John; Citek, Karl; Aljohani, Saad (2017). “Assessment of EnChroma Filter for Correcting Color Vision Deficiency”. Pacific University. Retrieved 24 November 2018

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External links

Official website

en.wikipedia.org /wiki/EnChroma

EnChroma

Contributors to Wikimedia projects

6-7 minutes

EnChroma

Filtering of colors to adjust them for people with color vision deficency.jpg

Glasses with special lenses which change color perception.

Manufacturer EnChroma

Website https://enchroma.com/

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👈👈👈☜*“COLOR BLINDNESS”* ☞ 👉👉👉

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*🌈✨ *TABLE OF CONTENTS* ✨🌷*

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