Plasma treatment of contact lens and IOL

Details Plasma treatment of contact lens and IOL Plasma treatment of contact lens and IOL

2007-07-31

2007-07-31

Padgett, Marianne (Department: 1762)

Coating processes

Direct application of electrical, magnetic, wave, or...

Pretreatment of substrate or post-treatment of coated substrate

C427S535000, C427S534000, C427S164000

Reexamination Certificate

active

10647556

ABSTRACT:
Intraocular lenses or contact lenses20are placed on a lower spindle34and held there by a vacuum in conduit34. Noble and reactive gases56, 58are introduced and a voltage is applied across upper spindle32and lower spindle34to plasma treat one surface of the lens. The lens is transferred to the other spindle and the process is repeated.

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