Difference Between Standard Premium And Custom Progressive Lenses

Difference Between Standard Premium And Custom Progressive Lenses

In past times, these lens coatings have been delicate and also have required extreme care to avoid scratches. The most recent generations of anti-reflective coatings are really durable and far superior in performance weighed against their predecessors. Help for presbyopia, a special kind of visual problem for optical engineering – then and now. From their…

How can you tell the difference between polycarbonate and plastic lenses?

How can you tell the difference between polycarbonate and plastic lenses?

Polycarbonate is a thermoplastic that starts as a good material by means of small pellets. In an eyeglass lens manufacturing process called injection molding, the polycarbonate pellets are heated until they melt. The liquid polycarbonate is then rapidly injected into lens molds, compressed under ruthless, and cooled to create a finished lens product in a…