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Forum Index : Microcontroller and PC projects : Enchroma Glasses....
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Grogster Admin Group  Joined: 31/12/2012 Location: New ZealandPosts: 9753 |
This is interesting. Enchroma Glasses [Quote=From the video description]Me Getting the Enchroma Glasses. Most of my employees chipped in and bought them for me. Before, the colors I could see were extremely dull. And I could not see pink. Blues and purples were the same. Brown and green the same, yellow and orange the same. They watched me take the color blind test many times. I would get a new staff member, and when they found out i was color blind it was fun to take the test with everyone around. With very careful planning, over a period of many months, they pulled this off.[/Quote] Ain't technology wonderful?! (rhetorical!) THIS is the kind of thing that is worth living for. Not petty squabbles, not politics, not money. Someone being able to see colour correctly for the first time - THAT's a video worth seeing.  I only have sight in one eye, so I appreciate a video like this perhaps more then most. Smoke makes things work. When the smoke gets out, it stops! |
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| Frank N. Furter Guru  Joined: 28/05/2012 Location: GermanyPosts: 981 |
Hi Grogster, this is very interesting. I was an optician in my former life and my father is red/green blind. Frank |
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CaptainBoing Guru Joined: 07/09/2016 Location: United KingdomPosts: 2171 |
There was a stunning BBC:Horizon documentary called "Do you see what I see?" I think 2011. It changed utterly what I thought about color perception. Unless there is a medical reason for colour blindness (e.g. lack or reduction of cone cells in the retina either through injury or congenitally) then it is completely a brain thing. There is a window of opportunity to learn colours when we are very young. I have the documentary here but for obvious reasons I can't post it - see if you can find it online. There is one tribe (The Himba?) in Africa that have names for their colours but they don't have what we might think of as strict borders for them... so one word can cover browns and reds and /some/ greens. The researchers devised a test where there was a circle of green squares on a screen and one of them was obviously turquoise, "we" could see it easily but the Himba could not because in their language the two colours had the same name. And yet in the same circle with the turquoise square replaced with one of a slightly darker green, they saw it immediately while "we" struggled to pick it out. That dark green square had a different colour name to the Himba. It seems that colour perception is intimately linked with language . Studies have shown that language is partly processed in the occipital lobes of the brain - the "sight centre"). It also (back in 2011) touched on blue colours and why they wake us up - way before the recent trend of having blue filters on phones and tablets so that people reading them at night don't stop feeling drowsy. This included the discovery of a totally new-to-science cell in the eye , that responds exclusively to blue light and links directly to the part of the brain controlling the circadian rhythm. It is thought the sensitivity (to blue light especially) goes back over 600M years of evolution (and probably much further in single celled life) when primitive, multi-celled creatures with light sensing cells (they weren't "eyes") gained an evolutionary advantage by modifying their activity dependent on the time of day. This is still common today in some deep-sea squid that ascend out of the darkness to the surface to feed at night in vast numbers but retreat again when the sky starts getting light. They don't sleep but remain active in the abyss and so cannot truly be termed nocturnal. The answer to the question posed by the documentary name is "yes - partly" - Every "normal" human sees blues and yellows the same (with a small amount variability, naturally) because they are hard-coded in our biology, but reds and greens are learned through language!!! Blew me away. |
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