Photochromic ophthalmic devices made with dual initiator system
The present invention relates to a process comprising exposing a polymerizable mixture comprising at least one lens forming component, at least one thermal initiator, at least one photoinitiator and at least one photochromic compound to device forming conditions comprising heat and actinic radiation...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The present invention relates to a process comprising exposing a polymerizable mixture comprising at least one lens forming component, at least one thermal initiator, at least one photoinitiator and at least one photochromic compound to device forming conditions comprising heat and actinic radiation to form a photochromic ophthalmic device. |
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