The Acuvue brand of contact lenses are manufactured by Johnson & Johnson. Acuvue has patented the HYDRACLEAR technology which uses an embedded silicon wetting agent to keep the lenses moist. The Acuvue Oasys employs an upgraded version of HYDRACLEAR. Acuvue Advance lenses uses the original HYDRACLEAR technology. Some other models of Acuvue lenses are the Acuvue 2 and 1-DAY Acuvue.
The Acuvue 2 COLOURS is used for enhancing or changing eye color and will not correct vision. All the other models discussed here will correct near or farsightedness. There are 10 different colors available with the Acuvue 2 COLOURS.
With the Oasys lenses you may choose one of two replacement schedules. First, you can take them out and clean them on a daily basis for up to two weeks before replacing them with fresh lenses. You can also continuously wear them for up to six nights until trading them for a fresh set of lenses. The Acuvue Advance are replaced after two weeks of daily cleaning. You can wear the Acuvue 2 continuously for as long as six nights before using a fresh pair or you can go for two weeks with daily cleaning before using a fresh pair of lenses. As its name indicates, the 1-DAY Acuvue are worn for only 1 day and then thrown away to be replaced with a fresh pair.
The Oasys family of lenses provide excellent ultraviolet light protection. The (http://www.coastalcontacts.com/contact-lenses/acuvue-oasys/prod91399.html) Acuvue Oasys is rated at Class I UV protection with 96% UV-A and 100% UV-B radiation. The Acuvue Advance (http://www.coastalcontacts.com/) contacts also has a Class I UV rating with 93% UV-A and 99% UV-B radiation. The Acuvue 2 and the 1-Day Acuvue have Class II UV ratings with 82% UV-A and 97% UV-B radiation.
Silicone hydrogel is the main material used in making Acuvue lenses. Silicone hydrogel make your lenses feel smooth, moist and comfortable. Using senofilcon A the Oasys model allow 98% of available oxygen to be provided to the eyes. The Acuvue Advance uses a similar material called alyfilcon to allow 97% of available oxygen to be passed to your eyes. Etafilcon A is used in both The Acuvue 2 and 1-DAY Acuvue. It allows 88% of available oxygen to be passed to your eyes.
The silicone hydrogel materials used in the construction of Acuvue lenses promote a comfortable and smooth fit. Two types of lenses, the Oasys and the Acuvue Advance use a patented HYDRACLEAR technology. The Oasys actually uses a new generation of HYDRACLEAR which is called HYDRACLEAR PLUS. The PLUS version has improved the comfort level in harsh environments.
There is extra moist version of the 1-DAY ACUVUE called 1-DAY ACUVUE MOIST that employs LACREON technology. LACREON like HYDRACLEAR embed a wetting agent. LACREON technology also make a wet cushion that simulate natural human tears which reduces friction and keep the lenses very moist.
A handy feature of the Acuvue family of lenses is the ease of handling A slight blue tint make them visible when sitting in their case. Each lens has a 1-2-3 mark for easy insertion.
There are special versions of Acuvue Oasys for astigmatism and for presbyopia. The Acuvue Advance also comes in a model for astigmatism. With all the different types and feature of Acuvue contact lenses no matter what your vision needs Acuvue will work well for you.
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