For 39 million Americans with migraine, light is both a trigger and a symptom. Here’s the neuroscience of photophobia, why outdoor glare is a specific risk, and what UV400 polarized lenses actually do about it.
If bright light triggers migraines, headaches, or eye pain, standard sunglasses may not be enough. Here is what photophobia is, which wavelengths trigger migraines, and which lens features the research actually supports.
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