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level: Hydrogel and Silicon Contact Lenses

Questions and Answers List

Question	Answer
They synthesized a hydrogel material that was compatible with the body. They first applied it to eyes in 1956 but were unsuccessful due to their heavy weight and fragility. He got his technique patented in 1961	Otto Wichterle and D Lim 1954
The National Patent Development Corporation and _____________ bought spin-casting patent rights in 1964	Robert Morrison
They acquired license to manufacture spin-cast lenses in 1966	Bausch and Lomb
Soft contact lenses was classified as a drug by US FDA in?	1968
Bausch and Lomb obtained FDA approval to market their trade name ________ in 1971	Soflens
Walter Becker commenced his material called __________ and was patent in 1956	Silicone Elastomer
__________ acquired the Becker patent in 1959	Joe Breger
Then the _______________ acquired Breger's technology in 1972	Dow Corning Company
He pioneered the development of continuous wear of soft contact lenses.	John de Carla 1970
John de Carle named his trade as __________	Permalens
Rapid developments in soft contact lens design and manufacturing happened in ______	1970s