Enchroma. My experience.
Today I visited an optician who can supply Enchroma glasses. It was an interesting experience. For that you need to know what is colour blindness. Most people probably know what it is. A colour blind person has a visual defect or deficiency that makes it hard to distinguish some or many colours. The above image comes from colourblindness.com. If you see six numbers in the above circles, you're probably not colour blind. I see 25…
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