The Basic Series are a group of designs engineered to provide an entry-level digital optical solution that competes with conventional progressive lenses and offfers all the advantages of digital lenses, except for the personalization. The Basic Series can be offered as a mid-range product, an affordable solution for those wearers who are looking for a good economic lens.
The Alpha Series represent a group of engineered designs that incorporates Digital Ray-Path® technology. Prescription, individual parameters and frame data are taken into account by the IOT lens design software (LDS) to generate a customized lens surface that is specific to each wearer and frame. Each point on the lens surface is also compensated to provide the best possible visual quality and performance.
Gemini lenses offer a continally increasing front surface curvature that provides the optically ideal base curve in all viewing zones. Gemini , IOT’s most advanced progressive lens,has been constantly evolving and progressing to improve its benefits and offer solutions that are useful to lens manufacturers and the changing needs of the market.
