Monthly Archives: April 2016

Lens Technology: Anti-reflective Coating (Anti-Glare)

Anti-reflective coating is applied to the surface of the eyeglass lens to optimize vision by reducing glare. Ideally, it should be applied to both the front and back surface of the lens for maximum benefit. It serves several purposes: Continue reading Lens Technology: Anti-reflective Coating (Anti-Glare)

Lens Technology: Aspheric lenses

‘Aspheric’ refers to a type of lens design. It is recommended for those high powered reading and magnifying eyeglasses.  There is also an aspheric design for those who are very near-sighted and wear ‘coke-bottle’ lenses in their eyeglasses. You may also see hand-held and stand magnifying lens that are aspheric in design. Continue reading Lens Technology: Aspheric lenses

Eyeglass Technology: Lens Materials

You think that it should be simple: aren’t all eyeglass lenses clear plastic: Most are, but there are several types of plastic, each with features that differentiate them by how they function.   There are also glass lenses, which are only occasionally a first choice.

Once the eye doctor has written up a prescription for eyeglasses and you are sitting in front of the optician, he or she will begin asking you questions about lens-type preferences. The optician will often give suggestions as to the best lens material for you based on the prescription. They will usually educate the consumer as to the features that will be beneficial.  Here are the basic types of lens materials: Continue reading Eyeglass Technology: Lens Materials

Low Vision Devices are More Than Just Magnification

Low vision devices come in many forms. They can be optical, such as lenses, eyeglasses, and telescopes, electronic devices, such as video magnifiers, CCTVs, and digital assistants, or objects adapted for use by those who are unable to see details, such as those things that give audible cues or are labeled in large print. Continue reading Low Vision Devices are More Than Just Magnification