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Migraines & FL-41 Tinted Lenses | University of Utah Health
The FL-41filter is a 'boysenberry-ish' colored tint that can help ease: migraine headaches,; blepharospasm,; light-triggered seizures,; CVS (Computer Vision ...
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FL-41 Tint Improves Blink Frequency, Light Sensitivity ... - NCBI
by MK Blackburn · 2009 · Cited by 78 — FL-41 lenses reduced mean blink rate compared to both rose and gray tinted lenses, and reduced eyelid contraction force compared to rose tinted lenses.
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