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Contact lenses: What to know before you buy

Why are contacts used?

Contact lenses are tiny, clear discs that you wear in your eyes to improve your vision. Contact lenses float on the tear film that shields your cornea.

Similar to eyeglasses, contact lenses are used to address vision-impairing refractive errors. A refractive mistake occurs when the eye does not correctly bend or focus light into the eye; this causes a hazy image.

The following refractive errors can be improved using contacts:

• Nearsightedness, or myopia (nearsightedness)

• Farsightedness, or hyperopia (farsightedness)

• Astigmatism, which causes blurred vision (distorted vision)

• Presbyopia (changes to near eyesight that generally occurs with ageing) (alterations to near vision that typically occur with ageing)

Types of contact lenses

There are many different types of contact lenses, each with special advantages and disadvantages. Each variety's characteristics can be discovered by contrasting them side by side.

Stiff gas-permeable (rgp)

Oxygen can reach the eyes and is made of plastic that is only very slightly flexible.

Extended-wear

Available for nighttime use in soft or rgp lenses.

Reusable disposable

Frequently one to six days, soft lenses that have been worn for a long period before being taken out. Other lenses can be worn for one to thirty days.

Planned replacement

Regularly changed soft daily-wear lenses that are often changed every two weeks, monthly, or every three months.

Why employ a lens?

Life is much easier when you are not burdened by anything. Thanks to contact lenses, which give you the freedom to experience life to the fullest, you can live better, more freely, and more liberatedly.

Prevention

When wearing contact lenses, maintain your eyes healthy and have a pair of glasses with you at all times in case you need to take them out.

Pros of contact lenses

They offer more natural vision compared to eyeglasses. They move with your eye, so nothing hinders you from viewing them. They don't fog up or get wet when it's cold or raining.

Sports participation has no impact on contacts.

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