by daniel | Nov 16, 2016 | Glasses Terminology
UV Tint Not really a “tint”, but a clear chemical coating used to filter out ultraviolet light. More than a dozen studies have shown that chonic exposure to sunlight without proper protection can increase the chances of developing age-related eye diseases...
by daniel | Nov 16, 2016 | Glasses Terminology
Vertex Distance The distance between a corrective lens and the cornea. An important measurement with moderate to high refractive errors since the final power of a glasses lens or contact lens will depend upon its distance from the retina.
by daniel | Nov 16, 2016 | Glasses Terminology
Anti-relective coating Specialized coating to eliminate light reflections off lenses that can cause unwanted glare, especially at night. Especially useful for high index lenses or lenses that are relatively thick. This coating is considered to be revolutionary for...
by daniel | Nov 16, 2016 | Glasses Terminology
High Index Lenses Lenses that are “denser” and much thinner. These are extremely appealing to those wearing strong corrections. Why? There are two aspects about lenses that correct for near and farsightedness. The lens material and the curve. The greater...
