Guide to Contact Lenses

An introduction of contact lenses prescription

Currently, Americans in all 50 states can buy contacts both from ECPs and other sources such as optical chains, warehouse clubs and online stores. This privilege originates from a 2004 legislation that patients are entitled to obtain a copy of contacts prescription from ECPs without extra cost, which was only available in certain states before that time.

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Advantages and disadvantages of gas permeable lenses

Also called RGPs, rigid gas permeable or oxygen permeable lenses, gas permeable (GP) contact lenses are less-known than soft lenses. RGPs are different from “hard” contact lenses, which have disappeared today, although they were popular before the invention of soft lenses in 1971. PMMA hard lenses are uncomfortable and prohibit oxygen from passing through the lenses.

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A comparison between 30-day contact lenses and LASIK

If you are above 18, you can resort to LASIK for long term vision recovery, getting rid of daily removal, cleaning, and disinfecting of eyeglasses or contacts. There is actually another option to tackle these hassle problems: 30 days extended wear contact lenses that are approved by FDA.

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