Originally Posted by
jarralad2
Any colour of light can cause migraines if you are sensitive - most common cause is the L pathway, most migraines stop in a couple of minutes if it is attenuated, but you need to check before prescribing. To get a red inhibiting cr39 is difficult - but possible (i have designed them for clinical use). This is one where you cannot match by eye, the dominant wavelength and metamerism can give funny results.
Would i buy them - no. Are they useful in some circumstances, probably yes.
There are suggestions that in trigeminal problems that the magnocellular system balance needs to be addressed - but you have to check, empirical methods are unlikely to be reliable.
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