Contact lenses also referred to by may as contacts. It is a thin lens placed directly on the surface of the eye. These lenses are considered medical devices and are worn to correct the vision of many. People choose to wear contacts instead of spectacles for various reasons:
- Cosmetic Purposes
- Aesthetics
- Optical reasons
Cosmetic and aesthetics are the main reasons as to why people want to get rid of their glasses. Other reasons are: –
- The uncomfortable feeling. Some people have a weird feeling when putting on glasses
- It is annoying putting on glasses whenever it is raining or snowing
- Sportsmen and women find glasses not reliable during games
- Spectacles tend to fog whenever there is a change in temperature
The main advantages of wearing contacts are: –
- They do not get in the way of people who are in the fashion business
- Are not affected by a change in temperature
- The is no annoying reflections or obstructions in view
- It fits men and women who are involved in extra-curricular activities
Some of you might be wondering what these lenses are made of; There are many types of contact lenses: –
Soft Contact lenses
These are soft flexible plastics that allow oxygen to pass through the cornea. They are easier to adjust and are most preferred because of their comfortability.
Extended Wear Lenses
They are usually soft contact lenses made of flexible plastics that also allow oxygen to pass through to the cornea. These lenses can be wearable for an extended period of time ranging from one to six nights and even thirty days.
Rigid Gas Permeable Contact Lenses
Also known as (RGPs) are easier to handle, less expensive and less likely to tear. They are not comfortable with the soft contact lenses but are more durable and generally give a crisp clearer vision.
Disposable Contact Lenses
These are lenses which are prescribed to wear for a certain duration then disposed of. Once done with, they must be replaced by other new ones as they can no longer be in use.
Questions frequently asked is how they are worn. After acquiring them, it is extremely important to follow the rules and guidelines on the pamphlet with instructions on how to use them. It is very important to follow these steps to reduce the risk of damaging your eyes.
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- Before starting, make sure your hands are clean. Wash them with an anti-bacterial soap then rinse and dry with a clean towel.
- Pick the lenses from their holders and confirm that you are holding them the right way. Make sure they are not inside out before inserting them into the eyes.
- Gently hold the upper lid of your eye with your right finger to avoid blinking or getting the eyelashes in your way. Carefully pull the lower lid with your middle finger while the index finger holds the contact.
- Slowly, move the lens to your eye. Lo
ok upward as you put the lens into your eye. Release your lower and upper eyelid and gently close your eye to position the contact.
- Repeat the same procedure as instructed to the other eye.
Make sure you clean your hands one more time when removing your contacts as the same procedures should also be followed.