OverviewFL-41 lenses are precision-tinted lenses originally developed to reduce photophobia (light sensitivity) and migraine frequency. UK Eyewear offers FL-41 tinted lenses as part of our specialist eyewear range, claiming benefits for users with neurological light sensitivity, migraines, blepharospasm, and even post-concussion syndrome. These claims are partially supported by academic research, including a notable contribution from […]