visual correction

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Lenses should be thoroughly rinsed after cleaning because residual cleaning visual correction agents may lead to ocular correction irritation. visual other methods for cleaning include spray cleaning, hydraulic cleaning and ultrasound cleaning. soaking solutions. soaking solutions are used to store hard contacts when not in use. the dry surface of a hard lens will not wet well, even if a wetting solution is used, until the surface layer of the lens becomes hydrated. the soaking solution maintains the lens in a constant state of hydration to provide for maximum comfort and visual acuity. it also prevents any tear film debris from drying on the lens surface and aids in removing deposits that may accumulate on the lens during wear. to maintain sterility, storage solutions contain preservatives, concentrations of which are typically higher than in wetting solutions; soaking solution should be rinsed from the correction lens before insertion to avoid any possible toxicity from the preservatives.

soft lenses additionally come as disposable products (defined by fda as used once and discarded) or as planned-replacement lenses. if you, like many americans, wear eyeglasses or lenses, you probably know that comparison-shopping visual can help you find quality correction eyewear that meets your budget. in fact, a federal trade commission regulation aids your ability to visual and correction comparison shop visual for eyeglasses. under federal law, you have a right to a copy of your eyeglass prescription so that correction you can shop for the best value in eyewear. if you are buying lenses, comparison-shopping also can help you visual find an correction eye care specialist who offers products and services suited for you. this visual fact correction sheet explains what rights you have under the law and gives you information about various types of eye care professionals. it also gives some visual suggestions about selecting an eye care specialist correction and shopping for eye exams, eyeglasses, and lenses.

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