These 45mm lenticular spectacles feature central prescriptive lenses, set in plano carrier lenses. PMMA lenses are crystal clear, transparent thermoplastic sometimes called acrylic glass. This BPA free material is strong and lightweight.
Optelec's PowerSpecs line of spectacles are made with durable frames and superior optics. Refined in the USA, these spectacles are available in OD, OS or OU, include a two-year warranty, and are delivered with a hard case.