Contact lenses have long ceased to inspire fear: discomfort, dryness, nursing care – all these problems are left behind due to modern technologies of production. We say that you need to know about a new generation of lenses.
The first contact lenses were about 1940 and made of organic glass. Needless to say that these lenses are uncomfortable and require considerable effort to maintain their purity.
Fortunately, in 1960 a scientist Otto Wichterle created the first soft contact lenses of innovative polymer – hydrogel that has the ability to absorb water (38%), after which it becomes soft and elastic. Read more