1.56 Semi-Finished Bifocal Photochromatic UV++ Blue Coat Hmc 28/70mm Optical Glasses Lens

1.56 Semi-Finished Bifocal Photochromatic UV++ Blue Coat Hmc 28/70mm Optical Glasses Lens. Photochromic Function: Automatically adjusts tint from clear indoors to dark outdoors under UV light. Blue Light Protection: Blocks harmful blue light wavelengths between 400-500nm to protect retina. UV Protection: Isolates UV damage to ensure eye safety anytime and anywhere. Bifocal Design: Flat top bifocal lens suitable for presbyopic and astigmatic vision correction. High Quality Material: Made from durable resin with HMC coating for clarity and fatigue relief. Fast Sample Delivery: Samples delivered within 3-7 days via FedEx, DHL, UPS, or TNT. High Production Capacity: Daily output of 600,000 pieces with 12,000 RX prescription lab capacity. Customizable Diameter: Available in 28mm and 70mm diameters to fit various frame requirements.