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Q: Why are Silicone Hydrogels safe for longer periods of wear
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Silcone Hydrogels and Eye Health
Silicone Hydrogels are approved for extended periods of wear because they are designed to allow plenty of oxygen to reach the surface of your eyes - Thatīs the reason conventional eyewear can't be worn for such long periods, your eyes would become oxygen starved.
Q.
I have bad habits with my contacts. I wear them longer than the 30 recommended days and often sleep with them in (5 or 6 nights a week). I have been doing this for about a year. I was wondering how dangerous these practices really are. Am I causing damage to my eyes?
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Do I use my eyeglass prescription to order contacts? Are they the same, or 2 different prescriptions? Thinking of buying contacts :)
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Is it appropriate to ware contact lens to play football ? Is it safe to my eyes ?
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I wear disposable contacts and was wondering why there are letters on my contacts? And if it would be bad for my vision at all?
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Q.
on a contact prescription, which is for the left eye and which is for the right. my prescription has OD -1.75 AND OS -1.50
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I have my contact lenses sent to me in 3month batches. I have noticed on the batch I have just received that the base curve measurement on the left eye packet is 8.7 when it should be 8.3 like the right one. Will they be ok to wear? or should I get them changed?
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