Contact lenses are now commonly used as an alternative to wearing glasses. They are thin discs made of plastic, which are placed on the eye’s cornea. Unlike before, there are many different types of lenses available today: soft lenses, soft disposable lenses, rugged gas permeable (R.G.P.) lenses, and cosmetic lenses.
Contact lenses in Canada are not the same as spectacle prescriptions, as, in addition to specifications for vision correction, contact lenses require specific curvature and diameter. Therefore, they must be fitted by an authorized optometrist.
If you have frequent eye infections or your eyes are sensitive (allergic conjunctivitis), wearing contact lenses may not be for you. Also, they are pretty small and require some skill to handle.
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Risks and Side Effects
Wearing contact lenses is not without its dangers. As more and more people use them without proper precautions, the number of complications caused by the Use of contact lenses has increased significantly in recent years.
Some common problems associated with wearing contact lenses include:
Hypoxia
In this case, hypoxia is an inadequate oxygen supply to the cornea. When the contact lens is placed over the cornea, it limits the amount of oxygen reaching the eye. Hypoxia in the eye can cause fatigue, discomfort, irritability, or even blurred vision in the eyes, especially at the end of the wearing period. This is sometimes referred to as “corneal excision syndrome.”
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To reduce the chances of hypoxia, you can do the following:
* Do not sleep with your lenses on.
* Reduce the number of hours per day to wear your contact lenses.
Replace extended wearable lenses.
- Infection
Contact lenses, especially without proper lens care, can lead to eye infections. The most frightening complication of wearing contact lenses, leading to blindness, is a corneal ulcer or disease. Corneal ulcers are more common in soft lens users simply because they make them feel more comfortable, and many people use them for longer.
Other factors that contribute to the infection include:
* Sleep with contact lenses
- Poor hygiene and cleaning habits (some people are known to lubricate their contact lenses with their saliva if cleaning equipment is not available. This is not explicitly recommended!)
With hard lenses, the risk of corneal abrasion increases. Pain and tears in the eyes are common symptoms of corneal abrasions. If not managed properly, infections can enter the cornea.
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- Dry eyes
A widespread complaint of contact lens wearers is that their eyes feel very dry. A layer of tears is essential for good eyesight, and eye comfort, so dry eyes usually feel irritated, and vision can be blurred. The best way to deal with this is to reduce the number of hours of daily Use of contact lenses and lubricating eye drops, as recommended by your eye care specialist.
Tips for Successful Use of contact lenses
Knowing how to take care of your lenses and use them correctly can mean using comfortable and hassle-free contact lenses Canada.
Use only commercial cleaning solutions for your contact lenses.
* Do not mix solutions of different brands.
Do not share your contact lenses.
* Always wash your hands with soap and water before handling your contact lenses, not only when applying your lenses but also before removing them.
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* Dry your contact lens case with water and air. Contact lens cases should be cleaned and replaced regularly.
* Do not use water to clean your lenses.
Do not wear glasses while swimming, even when using goggles.
* Do not sleep with your lenses on. Even a nap can potentially cause problems during sleep when it is more difficult to deliver oxygen to your eyes.
* No matter how attractive, do not wear your lenses beyond their expiration date. Lenses should be changed daily, and lenses should be changed weekly, etc.
* Follow the wear schedule. Different lenses are made for different wear schedules.
* Keep your eyes well lubricated by using the lubricating solutions recommended by your eye care professional Canada.
* Wear your contact lenses before applying makeup, and remove your lenses before removing makeup. This will help reduce the chances of contamination.
- See your doctor or ophthalmologist immediately if you notice any symptoms such as redness, itching, blurred vision, or discharge. Do not wear your contact lenses unless your eyes have been thoroughly examined.
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