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به نام خدا عنوان تحقيق:Silicone hydrogel contact lwnese نام استاد:آقاي دكتر اميري گردآورنده:بهاره حقيقيان،ندا نخجوانپور پائيز 87 Silicon Hydrogel The latest development is a type of soft lens which can safely be kept in the eye continuously for up to one month. These Silicone Hydrogel lenses have very high oxygen transmitting abilities and are proving even more successful than expected. Oxygen is key to keeping the eye healthy and because of their ability to transmit as much as 99% of the oxygen in the atmosphere through to the eye, Silicone Hydrogel lenses have been shown in studies to be the safest lens whether they are worn continuously for 30 days or removed and stored each night like a regular lens They represent the ultimate in soft contact lens convenience and the monthly charge is from around £26.00. Our monthly charges include the cost of the lenses, full aftercare consultation fees and insurance. Fees for the initial fitting vary according to the type of lens and the experience and requirements of the patient. The amount will be advised at the first consultation. Latest Advance New Acuvue OASYS with Hydroclear+ are causing a revolution in contact lens material manufacture. People wearing these lenses claim it is as comfortable as not wearing lenses and practitioners are seeing fewer and fewer lens related problems in patients wearing these lenses Gas Permeable Gas Permeable contact lenses are the modern version of hard corneal lenses as worn over the years by many people with great success. They take a little longer to get used to and to become fully comfortable but give very good vision especially for people with astigmatism or high prescriptions. They are easier to handle and look after than soft lenses and secure enough for all normal activities and many sports

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