Vitamin A - We all remember our mothers telling us to eat our carrots so we could have eyes like...

The Development of Opticianry In early times customers made their selection from a tray of eyeglasses which were already assembled...

Different lenses have different properties. The density varies, known as index of refraction, and the ABBE VALUES are different for...

FACT – UVA & UVB RAYS ARE HARMFUL More and more people are aware of the dangers caused by the...

All about anti–reflective coatings Anti-reflection coatings are made from extremely thin layers of different dielectric materials that are applied in...

SLAB-OFF EXPLAINED On occasion we have patients who come in with a prescription showing a significant power difference between the...

The Issue of Adaptation "These aren't working for me." This isn't what we want to hear from our patients. Before...

Tints, Filters and Sunglasses Tinted lenses are worn for the sake of appearance, comfort (discomfort glare), vision (disability glare) and...

By definition an ophthalmic prism is wedge-shaped lens of glass or plastic that is thicker at one edge (the base)...

SHAMIR LENS DESIGNS Creation – 19mm fitting height Freeform Optics – design resolution up to six times more accurate than...