What should you know before wearing contact lenses
- Select contact lenses that are right for your eyes. Correct use of contact lenses should include checking whether you can wear them or not, selecting the right material or type of lifespan, and checking the fit of the contact lenses (Contact lens fitting) to see if the size fits the curvature of the cornea and is not too loose or too tight. There are many types of contact lenses depending on the properties of the material chosen. They divide into 2 types:
- Hard contact lenses made of hard plastic. So they may not be comfortable to wear. They can last up to 3 years, are durable, and are easier to maintain than soft contact lenses. They do not curve to the shape of the cornea, so they can correct some astigmatism. However, they are less popular nowadays.
- Soft contact lenses are the most popular type. They are made of plastic that absorbs water, making them soft and flexible. Oxygen can pass through the eyes easily, making them comfortable. They have a shorter lifespan than hard lenses. Which is about 1-2 years, but they must be kept clean, otherwise they can cause problems with infections and allergies.
- Learn how to insert and remove contact lenses correctly. Do not wear contact lenses for too long. When you get home, you should remove them to allow the lenses to receive enough tears and oxygen. Before removing contact lenses, you should wash your hands thoroughly with soap or hand sanitizer every time. Also, you should cut your nails short before removing and inserting contact lenses. You should not wear contact lenses to sleep, swim, or dive.
- To clean contact lenses , use a contact lens solution specifically. Do not use saline because it does not have the ability to kill bacteria. Most importantly, the lens case should stored in a dry place and the case. Should changed at least every 3 months.
Contact lenses are a device that helps improve vision for nearsighted people.
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