Future VR headsets could use a new type of lens inspired by holographic devices. The bilayer bifocal lens relies on external ...
These bifocal reader sunglasses are a great choice for shoppers everywhere. The built-in non-slip rubber nose and earpieces are designed for better grip and comfort, ensuring that the glasses won’t ...
A new option for bifocal and trifocal wearers is now available ... through the Spectacle Request Transmission System. These glasses are at no cost to eligible DoD retirees. Fitting kits for ...