Fl-41 is the tint most commonly recommended by doctors and specialists for the prevention of light sensitivity and migraines. One study found that the use of Fl-41 glasses reduced the number of migraines by an average of 74% in a four month period. Fl-41 glasses are also effective at reducing photophobia and light sensitivity that does not result in migraines, particularly light sensitivity caused by florescent lighting, computer screens, and sunlight. Fl-41 lenses block 80% of the blue wavelengths that can trigger eye pain, dizziness, and headaches. Our outdoor Fl-41 glasses are ideal for full sunlight and are polarized to further reduce glare.
Precision Tinted lens
Lens width: 56 millimeters
Lens height: 40 mm millimeters
Prevents light sensitivity, photophobia, and migraines from sunlight
Free microfiber cleaning cloth and case included
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