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The five best contact lenses for sleeping in

THE FIVE BEST CONTACT LENSES FOR EXTENDED WEAR AIR OPTIX NIGHT & DAY 1 They replace the original generation of CibaVision extended wear lens originally marketed as Focus Night & Day. Night & Day are manufactured with lotrafilcon B, a silicon hydrogel material with a 24% water content and are a high modulus lens. Having a high modulus means that these lenses are easy to handle as they sit up well on the finger, and it is also more simple to determine if they are inside out. AIR OPTIX NIGHT&DAY AQUA CHIAGVISION. PUREVISION 2 The PureVison 2 lens is manufactured using balafilcon A which is a silicon hydrogel material with a 36% water content. Although a reasonably thin lens, because of balafilcon A's high modulus it is easier to handle than the original PureVision lens. The optics have been updated with what B&L call "High Definition Optics" to reduce spherical NEW BAUSCH+LOMB PureVision aberration and improve vision and reduce halos in low illumination. MENICON Z They are a gas permeable lens manufactured with tisilfocon A. This material has excellent mechanical proper- ties resulting in a lens that is able to be designed thinner than the typical gas permeable lens. Menicon has developed a plasma treatment to make the lens more hydrophilic to aid wetting and also smooth any surface irregularities. ACUVUE OASYS These contact lenses are silicon hydrogel NEW! ACUVUE OASYSE lenses manufactured with senofilcon A with a 38% water content. They have a 2 weekly replacement schedule and available for a flexible wear modality. This means that rather than being approved for 14 days of continuous overnight wear, they are instead approved for an occasional overnight wearing schedule of sleeping while wearing them up to 6 days at a time. with HYDRACLEAR" Plus Johnson aJohmson BIOFINITY These contacts are monthly replacement lenses and are approved for up to 7 days of continuous extended wear. They feature Biofinity comfilcon A which is a 48% water silicon Agafr Condet So ot lees CooperVision hydrogel material that incorporates excellent oxygen permeability with a highly wettable surface. Biofinity lenses have a recent generation material which features a low modulus with excellent breathability. MANASEGASV WebContacts

The five best contact lenses for sleeping in

shared by billytrail on Sep 17
Imagine waking up each morning and opening your eyes with clear vision! Contact lenses were first approved by the FDA for extended wear in 1981 and currently about 10% of contact lens fittings are for...


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