Once upon a time, when the optical technology is not so advanced as today, people have the only choice to wear those glass material lenses if they have any vision problem, including myopia and hyperopia. Theses lenses are easy to get fragile and uncomfortable to wear, not to say those strong prescription ones. It was a hard time for people whose Rx was stronger than even -7.00! The glass lenses will be specially thick and heavy, actually, eyeglasses should not be a burden for individuals. …continue reading High index prescription eyeglasses lenses!
August 28, 2011
October 22, 2010
Types of Eyeglasses Lenses
Eyeglass is a type of eye wear that is used to help a person with vision problem to see clearly. There are three types of lens including single, bifocal and trifocal lens.
Single vision lens is used for correct one type of vision problems. Normally, single vision lens is used by people that suffer from nearsightedness. Bifocal is a type of eyeglass that allows people suffer from astigmatism to see near and far things clearly. …continue reading Types of Eyeglasses Lenses
July 6, 2010
Why should we choose Free Form Progressive Glasses
Progressive lenses, which are also referred to as invisible bifocals, graduated prescription lenses, and varifocal or multifocal lenses, are corrective lenses used in eyeglasses to correct presbyopia and other disorders of accommodation. They are characterised by a gradient of increasing lens power, added to the wearer’s correction for the other refractive errors. Nowadays, there are hundreds of types and brands of progressive lenses on the market. Some of these lens designs can be 20-30 years old. In the past few years, there have been huge advancements in the world of progressive lenses. Among all type of progressive lenses. The best generation of progressive lenses is called free-form progressive lenses. Thanks to the introduction of Free Form surfacing to the lens manufacturing process,the Optical Industry is poised for significant change.The transition to Free Form Technology is a watershed in the history of eyewear, much like the transition from Bifocals to the original progressive lenses.It is a computer-aided design and manufacturing process, not a lens type. …continue reading Why should we choose Free Form Progressive Glasses