Method for treating a lens apt to trimming
Disclosed is a method for treating an ophthalmic lens comprising two main sides, wherein at least one side comprises an organic or mineral external layer coated with a MgF2 temporary protective layer, comprising one of the following treating steps: a liquid phase chemical treatment of the temporary...
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Main Authors | , |
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Format | Patent |
Language | English |
Published |
10.02.2009
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Subjects | |
Online Access | Get full text |
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Summary: | Disclosed is a method for treating an ophthalmic lens comprising two main sides, wherein at least one side comprises an organic or mineral external layer coated with a MgF2 temporary protective layer, comprising one of the following treating steps: a liquid phase chemical treatment of the temporary protective layer, leading to the formation of MgO and/or Mg(OH)2 in and/or on the temporary protective layer; or a deposit of at least one non-fluorinated metallic oxide and/or of at least one non fluorinated metallic hydroxide on the temporary protective layer through transfer thereof from an electrostatic film or through vacuum evaporation thereof directly on the temporary protective layer. |
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Bibliography: | Application Number: US20050524206 |