Nations Optics offers a minimum 1.56 lens index as standard, ensuring lenses that are thinner and lighter than traditional 1.50 lenses. Based on your prescription power and selected lens type, the lens index may automatically upgrade to 1.59 or 1.61 for improved comfort, appearance, and better lens thickness suited to your eyes.
Continue ReadingWhat Lens Index Does Nations Optics Provide? | 1.56 Standard Lenses