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A brief about Materials, Usage and Replacement
With the rise in the usage of technology, screen time has been increased that is causing impairment in the eyes. People can be seen wearing glasses but those people who don’t wish to buy wear spectacles switch to contact lenses or opt for LASIK surgery. To undergo this LASIK surgery you need to consider many medical precautions but contact lenses are just good to go. You consult an optometrist or ophthalmologist before wearing contact lenses and get a brief basic about it. Materials used for making Contact Lens The primary option when taking into consideration contact lenses is to know which material will be suitable to cater to your needs. Based on the type of material used in making lenses we may see five categorizations: Hydrogel lenses: These lenses are generally considered soft lenses that are made from gel-based, plasticcontaining water that is primarily known as hydrogels. These lenses are flexible and ultra-thin and are conventional with the frontage of your eye.
Silicone soft lenses: These lenses are modified versions of hydrogel lenses which are more soft and permeable as compared to basic contact lenses made up of hydrogel. These lenses help the cornea to fetch more oxygen. PMMA lenses: These lenses are made up of a clear inflexible plastic substance called polymethyl methacrylate (PMMA). It is an alternative used for making unbreakable windows. These lenses are not adaptable and hinder the supply of oxygen to the eyes. Rigid Gas Contact lenses: These lenses are known as Gas permeable lenses or RGP or GP lenses. These lenses are like PMMA, rigid but permeable, and allow oxygen supply to the eyes. These lenses are comfortable to use. Hybrid lenses: These contact lenses are made to give comfortable wear like silicone hydrogel or soft lenses give. These lenses have transparent optics of porous gas lenses.
Adequate Wearable Time for Contact Lens Earlier people use to wear contact lenses that were supposed to be removed and thoroughly cleaned before sleeping. But after the launch of lenses termed as extended wear, let people sleep with their lenses. Majorly there are two types: • Daily wear: These contacts should be removed every night • Extended wear: These contacts are wearable for seven consecutive days without any removable. Time for Replacement of Contacts It should be taken care that contact lenses are timely replaced even after being taken care of properly. For the prevention from building up depository in lenses which lead to contamination. This can cause eye infections and severe other impairments. The general categorization of Soft lenses has basic discard timings that should be considered wisely:
Regularity in Replacement of Lens Daily not reusable lenses: These kinds of the lens are to be discarded after one day of use. • Disposable lenses: They are to be discarded before or after two weeks like Acuvue Oasys online. • Regular replacement lenses: These contacts are discarded on monthly basis or even quarterly • Conventional lenses: These are reusable lenses like Acuvue Oasys contact lenses online and can work for six months or even longer.
A BRIEF ON USE OF CONTACT LENS It is important to look after your eyes and pay attention to eye health. Nowadays the use of technology has forced us to sit for long hours in front of screens that ruin our eye vision. This results in various eye defects and vision loss. There is the number of vision-correction methods that help you to clear your vision easily. The traditional way to correct the vision is to use eyeglasses but generally find it not so good for their looks and switch contact lenses or undergo eye surgeries like LASIK. Several possible interferences have been done to lessen the requirement for vision alteration. Both hard and soft Contact lenses, precise eyeglasses, and eye drops have been recommended, but all these are likely to have unstable degrees of achievement. The most practical advice that parents give their children is to reduce their screen time and stay away from electronic gadgets as much as possible. It is found that frequent use of mobile phones, laptops, and other devices increases the possibility of myopia. To correct defects like myopia and hypermetropia people use spectacles or lenses.
Contact lenses like Acuvue oasys online can be segmented into two main branches; the time they are to be worn, and the condition they are desired to correct. The duration of the lens to be worn depends on the pattern of wearing. This includes everyday use, for two weeks, for months, or long-term extended wear. Everyday contacts are more in demand because of their convenient use and hygiene factor. Whereas monthly are widely used as the same lenses can be effectively worn for 30 days consecutively. Contact lenses of maximum usage of two weeks like Acuvue Oasys contact lenses are easily available online, are taken as a midway between the everyday and monthly contacts. Lastly, long-term wear lenses can wear while sleeping also. These are designed in a way that it can wear for an extended period without any hassle of putting in and out the lenses.