Sentinels: FL41 Non-prescription or Prescription?:Prescription (Single Vision) Whether you’re working under warm

Whether you’re working under warm office lighting

at home with energy-saving bulbs

Size:  Eye size: 51mm

Each pair is built for all-day wear

Sentinels: FL41 Non-prescription or Prescription?:Prescription (Single Vision) Whether you’re working under warmFL 41 Eyewear: Made in Australia for Migraine Relief If you suffer from migraines, light sensitivity, or eye strain, FL 41 eyewear is a natural way to find relief. Crafted in Australia to the highest standards, these glasses feature a specially developed FL 41 tint designed to filter out the harsh blue and fluorescent light that often triggers headaches and visual discomfort. Unlike ordinary tinted lenses, FL 41 technology has been clinically studied