发明授权
US4715858A Epicorneal lens 失效
Epicorneal镜片

Epicorneal lens
摘要:
A synthetic epicorneal lens for use in the treatment of refractive errors. The lens is of a plastic that is compatible with the cornea, may be gas permeable or metabolite permeable, and may be coated with a basement membrane material such as fibronectin or laminen. The lens can be made from polymers, hydrogel, silicone, fluoropolymer, cellulose acetate butyrate, or other like material.
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