| CELLULOSE ACETATE FRAMES |   | Natural, BPA-free material, adjustable, strong and lightweight. | 
| SPRING HINGES |   | Wide range of movement for extra comfort and durability. | 
| CR-39 LENSES |   | Prescription-grade lenses and anti-reflective coatings for superior visual clarity and protection against blue light. | 
| CONTROL BLUE LIGHT EXPOSURE |   | The Day Swannies Lens provides you with the perfect balance of protection against the most harmful part of the blue light spectrum (400-450nm), while letting in some of the healthy blue light (450-500nm), which helps regular circadian rhythm and improves alertness and memory function. | 
|   | CELLULOSE ACETATE FRAMES Natural, BPA-free material, adjustable, strong and lightweight. | 
|   | SPRING HINGES Wide range of movement for extra comfort and durability. | 
|   | CR-39 LENSES Prescription-grade lenses and anti-reflective coatings for superior visual clarity and protection against blue light. | 
|   | CONTROL BLUE LIGHT EXPOSURE The Day Swannies Lens provides you with the perfect balance of protection against the most harmful part of the blue light spectrum (400-450nm), while letting in some of the healthy blue light (450-500nm), which helps regular circadian rhythm and improves alertness and memory function. | 
 
   
   
  