Significance: This is a small device that assists visually. It is made of plastic shape curve material that fits directly into the eyes of the wearer. These are used to correct problems related to vision. They help in focusing as well as therapeutic and cosmetic reasons.
Various rigid and soft materials are extensively used for the manufacture of contact lenses. These are widely available in number of colors and designs including disposable and colored. However, these are carefully handled to achieve maximum advantages of comfort, vision and appearance. These can be easily purchased from any eye specialist and optical wear stores.
Advantages: there are number of benefits that contact lenses offer. Moreover, these offer some more additional advantages that glasses do not. First and the foremost benefit it offers is that many people usually feel quite uncomfortable with glasses. They feel odd look. So, contact lenses are the best opportunity for them to improve their appearance. Furthermore, contact lenses minimize the risk of getting wet, slipping. These things can easily happen with glasses. People with cataracts also feel more satisfied with lenses than spectacles. Glasses may create jagged and irregular vision. Sportsmen and athletes also feel more comfortable and practical in lenses than glasses.
Uses: Most often these lenses are used to correct the problems associated with short sightedness. Irregular and jagged cornea upset can also be cured with them. Moreover, soft lenses help a lot in bandage, to increase vision and comfort.
Types: Nowadays two main types used in contact lenses are soft lenses and other one is rigid lenses. Soft contact lenses are made of some special plastic. These lenses absorb liquid and these should be kept moist for long life. These can mould easily to any surface of cornea. These lenses are greatly comfortable and the user feels very relaxed. Rigid Contact Lenses are made of durable, strong and stretchy plastic. They can maintain easily and allows oxygen to pass through the cornea.
Adverse Effects of lenses: People who have some sort of allergies like dust, chemicals as well as other eye irritations may feel difficulty in using these lenses. Those who have some eye disease should also avoid these lenses because their use may give birth to several other problems like infections, redness in eye, allergic effects and sometimes blood vessels may rise in the cornea. It is very important to consult an eye specialist without any delay, if you feel burning, sensitivity, pain and abnormal vision.
Precautionary Measures: Some important points to keep in mind are that do not produce tears while having lenses in your eyes and do not expose to fumes. Moreover, if there is a history of some viral infection in your eyes and you are unable to give proper hygiene, do not use these lenses.
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