If you are keen on wearing contact lenses, you should consult an ophthalmologist or an optician. Yes, it is very important even if you don’t wear glasses & want to purchase contact lenses to change the color of your eyes.
Remember that contact lenses are medical devices & require to be properly fitted by a physician who specialized in the field of eye care. This is the reason that anyone purchasing contact lenses in the United States need to show a valid written prescription. Additionally, the prescription should also include instructions on how often your contact lenses must be replaced.
This can be once in a month, every two weeks, once in a week or even daily. This information can be found on the contact lenses brand. However, you should completely rely on the recommendation of your eye care practitioner. He knows best about the replacement option that suits your eyes as well as lifestyle.
Most doctors recommend disposable contact lenses. They also provide an option to purchase frequent alternating contact lenses. These are optimum choice as far as health is concerned because there are less chances for protein & bacteria build upon them.
Contact lenses are constructed of different types of plastic. However, these are categorized in two major groups; soft and rigid gas-permeable. Gas permeable lenses are also known as GP lenses. It is easier to adapt to rigid gas permeable contact lenses. These are also quite strong & resistant to deposit build up. There is a replacement program for contact lens. It refers to the period you can wear them prior to disposing them off. When it comes to GP lenses, you require to replace them every couple of years as they are made of durable material. You get a good variety of contact lenses available on the market these days.
There is also a choice of IOL lenses or intraocular lens for eye care. It is a kind of replacement of existing crystalline lens due to it being clouded due to cataract. It is a kind of refractive surgery conducted to change the optical power of the eye. It constitutes of little plastic lens in conjunction with plastic side stress known as haptics that help in keeping the lens in place within the capsular bag in the eye.
Intraocular lens were usually made of an inflexible material. Most of these lenses are fixed monofocal lenses matched to correct distant vision. You may also look for other types of IOLs such as multifocal IOLs. These provide the patient with limited visual accommodation.
An eye surgical procedure is done to insert intraocular lens to treat cataracts in patients. A local anesthesia is required to perform this procedure wherein the patient can be awake during the treatment.
After surgery, recovery takes about 2-3 weeks. Here, patients require to stay away from strenuous exercises or anything that may increase blood pressure. Patients also require to visit ophthalmologist in charge on a regular basis for about several months in order to keep tabs on the implants.
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