Schweizer 40mm Half-Eye Prismatic +3D Silver Metal Spectacles

Prismatic half-eye spectacles with a pair of high addition lenses including prisms to support convergence for binocular close distance magnification. Features Lightweight and comfortable, with spring hinges and nose pad Frames made from durable metal material, which will prevent from damaging easily Made with high-quality German optics, exclusively for Optelec Spherical CR 39 lenses Frame measures 40-25-142 Supplied with a protective case Spectacles are ready to dispense, so patients receive sooner Two-year warranty