SPRUNG-HINGED Sides

Discount Prescription Glasses never looked so good, acetate frames with sprung-hinged sides. Acetate, also known as cellulose acetate is made from plants. It is a nylon-based plastic that is hypoallergenic!

Octagonal unisex metal frame with sprung-hinged sides (smaller of the 2 octagonal metals)

Men's metal aviator frame with a silicone comfort bridge and sprung-hinged sides

Unisex metal frame with sprung-hinged sides, shorter than average sides of 130mm