Silicone Hydrogel Contact Lenses
The current brands of silicone hydrogel lenses available are:
· Ciba Focus Night & Day which is approved for 30 day continuous wear.
· Vistakon’s Acuvue Oasys which is approved for 2 week daily wear use or 6 night extended wear and is designed to be more moist than the others and is therefore beneficial for people who have dry eyes.
· Ciba’s O2 Optix which is approved for 6 days continuous wear or 2 weeks daily wear.
· Bausch & Lomb’s PureVision which is approved for 30 days continuous wear.
· Vistakon Acuvue Advance is a 2 week disposable.
There are also currently two toric (astigmatism correcting) silicone hydrogel lenses on the market:
· Bausch & Lomb PureVision Toric is a silicone hydrogel toric lens approved for 30 days extended wear use.
· Acuvue Advance For Astigmatism – currently approved as a 2 week daily wear lens. The only made to order custom lens was recently launched by Ciba vision.
· Ciba’s O2 Optix Custom, which is new to the market and the only made to order silicone hydrogel available to date.



