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Contact lenses today are more durable and comfortable than ever before. If you are not sure of your contact lens choice, here are the differences between soft and hard contact glasses.
Hard Contact Lenses
Hard contacts or rigid gas permeable (RGP) lenses are now made with plastic-like material, although originally were being made of glass autopcl. These crystals, for many years, were made out of polymethyl methacrylate, which inhibited air passage making them uncomfortable.
Frequent blinking was necessary for the eyes to be aerated and lubricated properly. The hard crystals were designed only to slightly move with each blink for the oxygenation of tears.Graphics can be applied directly to the box materials eliminating the need and extra costs for labels By incorporating silicon, RGP lenses are more flexible and have some flexibility in spite of being hard box-clear or header cards. Four printing methods exist as options for the box materials..
RGP lenses are custom made to fit to the shape of the cornea. Being rigid, these crystals do not change their shape unlike soft contact glasses, account for a crisper vision and are durable. RGP lenses are made out of materials, which do not contain water making them last longer with proper maintenance and care.
Hard contact glasses come with the advantage of high-quality vision and the progression of nearsightedness can be controlled to some extent.Take a look at the Mori lee prom dresses 2009 collection line and see if There are some disadvantages as well: wearing a hard lens is not very comfortable as the soft lens, and they frequently fall out Davinci Wedding Dresses - Style 50041 the dresses can accentuate both your inner and outer beauty..limited edition For having consistency in comfort, RGP lens wearers are supposed to wear their crystals everyday, which is not ideal for everyone mens pendant in leather.
Soft Contact Lenses
The reason why people go in for soft contact glasses is they are very comfortable to wear and in fact are hard to notice in people wearing them. These glasses are made of material, which is like plastic making them very flexible. These glasses offer disposable varieties and require no special care and maintenance. These can simply be worn for a day and thrown away.
Soft contact glasses can stay in your eye comfortably for longer periods as they contain higher water concentration and usually are sold as extended wear contact glasses. These glasses are thinner and smaller than the hard contact glasses, and provide better vision to people who find hard glasses uncomfortable to wear.
Soft lenses have some advantages over the hard contact glasses of new generation. Soft contacts lenses are more comfortable to wear immediately than RGP contacts, which require certain period of time to get adjusted. The downside of soft glasses is they easily absorb the leftovers of lotion and soap from your hands, which cause irritation in the eyes mensjewlery.