3 ms·I can't speak for OP's colorblindness, but for me those do basically nothing.by bragr 4y agoI can't speak for OP's colorblindness, but for me those do basically nothing.tstrimple 4y agoI bought some for my son for his birthday. His response was "meh" so I returned them and he got some cash.solarmist 4y agoYeah, they only help a specific subset of color blindness. But for the ones they do help it's significant.