| abstract |
The silicon hydrogel ophthalmology device directly contacting formation with the mould comprising at least one ethenol copolymer is described, such as ophthalmic insert and contact lenses, and correlation technique herein.The described at least one ethenol copolymer of described mould is the ethenol copolymer except ethylene-vinyl alcohol copolymer.The method of described manufacture Ophthalmoligic instrument can use dry type or wet type releasing process, or dry type or wet type take off eyeglass technique. |