Progressive Glasses for the Presbyopia Sufferers Special

When people are about 40 years old, it is common for them to suffer from presbyopia. The reading glasses which always make people embarrassed are rejected by the majority of the elderly because of its ugly appearance and inconvenience.

What are progressive glasses?
The elderly can wear can wear normal reading glasses, bifocal glasses, the progressive glasses to correct presbyopia. With reading glasses, the wearers have to put on glasses for near view and take off glasses for distance view. The bifocal glasses have two parts lenses: the upper part for distance use, the lower part for near use. The progressive glasses are more advanced than bifocals glasses. The dioptors are changing from top to down to correspond with objects located in different distances. Wearers can enjoy a clear, continuous view on different objects. Progressive glasses are also more beautiful in look and comfortable to wear.

The development of progressive glasses
The birth of progressive glasses should be said as a revolution in glasses industry. Benjamin. Franklin first invented bifocals in 1775. Workers in the world of visual and optical lens are devoted to innovation of the materials and technology. 1959 Essilor Company introduced the first generation of progressive glasses, which completely changed the traditional method of correcting presbyopia and made the old people re-enjoy the ease and convenience. In the following years, progressive glasses have been improved and gotten better.

The advantages of progressive lenses
(1) Continuous, clear and stereo vision
(2) The dioptors change gradually, comfortable to wear
(3) No jumping views
(4) Beautiful appearance