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Knowledge Center

Explore all our vision and eye health topics
  • Woman in swimsuit under the shower

    Can I Wear My Contact Lenses in the Shower?1

    Water can damage a lens just as dramatically as a torn fingernail or bit of dirt. So here we expand upon the tricky relationship that contact lenses have with water—in this case under the shower.

    4 mins read
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Sleeping person in bed

Can I Sleep In My Contact Lenses?

That’s the case for wearers whose contact lens prescription allows a week or even a month of continuous wear. There are also lenses worn overnight to correct the shape of the cornea. For this group, overnight wear is normal.

5 mins read
Two people skiing

Can I Ski (and Play Sports) Wearing Contact Lenses?

If you enjoy winter sports, you’ll know how much glasses like to steam up, leaving you in a mist. You can use anti-fog wipes and sprays, but you’ll still be left wearing an uncomfortable construction which has a strange urge to break, fall off or obscure your peripheral vision.

5 mins read
Photo of a woman supporting her head with her hand

Astigmatism: Symptoms, Causes, and Treatment1

Astigmatism is a very common eye condition and highly unlikely to be anything other than an eye condition with easily available solutions. So don’t waste time getting anxious if your optician tells you that you’re astigmatic. A solution is just around the corner!

4 mins read
Contact lens on finger

Monthly vs. Daily Contact Lenses: The Ultimate Comparison1

We’d love to give you the answer. However… there isn’t one. Or rather, the answer depends on you. Each type of contact lens has its advantages, so read this quick introduction. Then you and your optician can make the decision, having considered all the pros and cons of daily disposable contact lenses vs monthly replacement contact lenses.

6 mins read
Ophthalmologist at medical equipment

Tell Me About Silicone Hydrogel1

To understand why, here’s a short history lesson.

5 mins read
Woman looking in the mirror

The World of Monthly Replacement Contact Lenses1

Since then, science and technology have moved on by light years. With numerous materials, types and even colours on offer, a world of choice has opened up for contact lens wearers (and opticians). One of these choices is whether and why to choose monthly replacement contact lenses over other options.

7 mins read
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