Custom colorblindness filters?
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Has anyone seen or created a custom filter for use by deutans or protans? I'm a deutan and I was strongly considering ordering a pair of Enchroma lenses for computer work. They block the spectrum wavelengths which red-green color deficient cannot distinguish. I thought I might try to make one that blocks these wavelengths, but before I try (because I don't know what I'm doing) I wanted to see if anyone had done this.
Here's a link to the Enchroma patent showing the wavelengths they block:
https://www.google.com/patents/WO2012119158A1?cl=en&dq=enchroma+filter&hl=en&sa=X&ved=0ahUKEwiM0fCJ-eDSAhUk1oMKHc3ADrEQ6AEIGjAAAny idea where I should start?