Maryland Eye Associates’ Optical Shop offers a full range of choices in types of lenses, lens materials, and technologically advanced lens features. Doing business with independent laboratories, we are able to offer a variety of choices in materials and styles.
The materials from which lenses are made include plastic, glass, polycarbonate, and Hi-Index advanced materials. Each of these materials have advantages and disadvantages. Our certified opticians have the knowledge and training to assist you in selecting the material most beneficial to your vision correction. We recommend lenses such as Varilux, Zeiss, Hoya and Shamir.
As with any product, price varies greatly. The most technologically advanced Hi-Index(light weight) progressive lenses offer the greatest gains in vision correction. Our Certified Opticians will assist you in selecting the best lens for your vision correction needs at the best price for you. Below is information regarding the types of lenses we offer:
- CR-39 (Plastic lenses): Plastic lenses are not recommended for high power prescriptions as plastic lenses weigh more than the thinner, lighter Hi-Index material. Plastic lenses are easily tinted and require a scratch-resistent coating to resist damage. Recommended prescription range is up to +/- 2.50.
- Polycarbonate: Polycarbonate lenses are thinner and lighter than Plastic CR-39 lenses. Polycarbonate Impact-Resistant lenses are the preferred choice for safety glasses, sports, and eyewear for children and adults desiring lightweight protective lenses. Recommended prescription range up to a +/- 3.00.
- Hi-Index: If you need high-powered prescription lenses you can improve the weight and appearance of your eyewear with special lens materials and designs. Hi-Index 1.67 lenses will be up to 33% thinner than a standard plastic lens. Recommended prescription range is +/- 3.00. Hi-Index 1.74 lenses provide the ultimate in thinness and lightness for high power prescriptions. Recommended prescription range is +/- 5.00 or above.
- Trivex: Trivex lenses are thin, lightweight and more impact-resistant than Polycarbonate lenses. Recommended prescription range is +/- 3.00.
- Glass: Glass lenses offer the best protection against scratches, but can also shatter more easily than Plastic CR-39 lenses. Glass lenses are twice as heavy as plastic CR-39 lenses and the weight on the bridge of your nose can be very uncomfortable.