发明名称 |
HYDROGEL PROCESSING |
摘要 |
Disclosed are methods and apparatus for hydrating ophthalmic lenses and leaching excess materials from the ophthalmic lenses. The methods include th e steps of exposing contact lenses with a hydration solution comprising about 30 to 70 percent isopropyl alcohol and water. In some embodiments, the hydration solution is maintained at an elevated temperature. Exposure to a first hydration solution causes th e ophthalmic lenses to swell to a size larger than their functional size, and exposure to a second ophthalmic solution causes the lenses to shrink back to a functional size.</ SDOAB>
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申请公布号 |
CA2537550(A1) |
申请公布日期 |
2006.08.22 |
申请号 |
CA20062537550 |
申请日期 |
2006.02.21 |
申请人 |
JOHNSON & JOHNSON VISION CARE, INC. |
发明人 |
ADAMS, JONATHAN PATRICK;LISENBY, PAUL;TURNER, DAVID |
分类号 |
B29D11/00;B29C33/60;B29C35/04;B29C71/00 |
主分类号 |
B29D11/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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