National eyeglasses with your single vision prescription help make your frame appeal more to your needs by giving you the opportunity to customize your prescription to them. Their outstanding style and chic yet sophisticated look and feel make them that much more comfortable for you to wear in any occasion. Backed by a full manufacturer's warranty helps make these National Prescription Eyeglasses the best choice.

The National NA0231 Rx eyeglasses presented on this page are available with single vision Rx lenses (prescription lenses that correct vision for far, near, reading and computer distance). If you would like to order these National eyeglass frames with multifocal (lined bi focal or no line progressive lenses), please have a look a National NA0231 Rx Bifocal eyeglasses and National NA0231 Rx Progressive eyeglasses. Along with the Rx version of the NA0231, we also carry the National NA0231 Eyeglass Frames with clear plastic demo lenses in case you would like your own optician to prepare your prescription.

The craftsmanship of the National NA 0231 eyeglasses reflects meticulous attention to detail for long-lasting eyewear with a perfect fit and exceptional comfort. As an authorized National distributor, we use only 100% authentic brand-new Nationals frames and fit them with high-quality prescription lenses prepared in our state-of-the-art lab facilities. See our Guide To Glasses for information on how to order the National Rx NA0231 with prescription lens from our store. Contact us if our eyewear experts may provide assistance with the National prescription glasses NA0231. We are also here to help with the NA 0231 Eyeglass Frame and our complete collection of National Eyewear including National Eyeglasses, National's Eyeglass Frames.

National NA0231 Eyeglass Frames Description:

• Frame Type: Plastic
• Flex Temple: No

Package Contents:

• Genuine National Prescription Eyeglasses NA0231

National Eyeglasses Prescription Information:

We, at OpticsPlanet, try to make it easy to order Prescription Eyeglasses on line by providing as much information as we can. See our detailed Rx information page that explains How to Read Your Eyeglasses Prescription.

Available National NA0231 Prescription Lens Styles:

• National Rx Prescription Eyeglasses with Single Vision Lenses (presented above)
• National NA0231 Prescription Eye Glasses with Rx Lined Bi Focal Lenses
• National NA0231 Prescription Eye Glasses with Rx No Line Progressive Lenses

These National Prescription Eyeglasses are also available as National Eyeglass Frames without prescription lenses:

National NA0231 Eyeglasses without lenses

National Rx Lenses are available in the following materials:

• CR-39 Plastic (also known as hard resin) is overall cost-effective & most commonly used lens material. CR-39 is thinner and lighter than glass. Recommended sphere range is 0.00 - +/-8.00 and cylinder range is 0.00 - +/-2.00
• Polycarbonate is the most impact resistant lens available. Polycarbonate lenses are highly recommended for kids, sportsmen and military. This lens material is thinner & lighter than CR-39 or glass. It blocks UV rays. Anti-scratch coating is included. Recommended sphere range is +/- 2.00-8.00
• Aspheric Polycarbonate lenses feature the same properties as polycarbonate lenses, but they are recommended for plus (+) sphere prescriptions only
• High Index 1.60 (also known as HX 1.60) lenses are thinner & lighter than CR-39 or glass. Recommended sphere range is 0.00 - +/-15.00
• High Index 1.67 (also known as HX 1.67) lenses are thinner than High Index 1.60, CR-39 or glass. Recommended sphere range is 0.00 - +/-16.00
• Ultra High Index 1.74 (also known as HX 1.74) is the thinnest & lightest plastic material. AR coating is included, recommended sphere range is 0.00 - +/-18.00
• Glass lenses feature superior optical quality and scratch resistance. Although glass is heavier and thicker than other lens materials. Recommended sphere range is 0.00 - +/- 3.00