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Doctor insights on: Contact Lens

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Dr. Tim Conrad
316 doctors shared insights

Contact Lens (Overview)

A contact lens is a thin plastic or glass lens that is fitted over the colored part of the eye. It may be used for corrective, cosmetic, or therapeutic purposes.


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How can I tell the difference between a pair of clear contact lens?

How can I tell the difference between a pair of clear contact lens?

Try wearing them: Unless there substantial difference between the curvature and power of the two lenses trying on the lenses and wearing them either way may help you decide which one is more comfortable on which eye. It is doubtful that wearing the rght lens on the left eye or vice versa will result in any injury and the user can generally tell which configuration is more comfortable and provides optimal vision. ...Read more

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Dr. Ward Dean
37 years in practice
717K people helped
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Dr. Tim Conrad
316 doctors shared insights

Contact Lens (Overview)

A contact lens is a thin plastic or glass lens that is fitted over the colored part of the eye. It may be used for corrective, cosmetic, or therapeutic purposes.


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Is there a special contact lens that I can wear at night to correct my vision in the morning without contacts?

Is there a special contact lens that I can wear at night to correct my vision in the morning without contacts?

Contact lenses: There is a special contact lens that re-shape the eye to a certain extent while you sleep. However, there are certain risks, such as a substantial risk of infection. Also, the results may vary quite a bit from person to person. Alternatives to contact lenses include glasses and refractive surgery. ...Read more

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Dr. Ward Dean
37 years in practice
717K people helped
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How to remove bandage contact lens? Is it ok to wear it for a week?

How to remove bandage contact lens? Is it ok to wear it for a week?

Do not remove: Only your ophthalmologist should remove the bandage contact lens. It may be worn for a week if he/she instructs you to wear it that long, and you follow instructions regarding eye drops. ...Read more

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Can I have a suggestion on wearing a contact lens?

Can I have a suggestion on wearing a contact lens?

Get fitted : You need to see an eye doctor for right contact lens fit. The eye doc will measure your correction and eye shape before fitting you with the right contact lens. The doctor also train you to make sure you can put and take off contact lens safely. Please make sure do not sleep with it, or overextend the wear. Daily contact lenses are the best fit to avoid infection and allergy to it. ...Read more

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What is risk of wearing disposable contact lens a little longer than you should?

What is risk of wearing disposable contact lens a little longer than you should?

Contacts: You risk an infection such as a corneal ulcer. This may damage your vision permanently and cause you to go blind, or perhaps require a corneal transplant. Do not sleep in your contact lenses. ...Read more

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Dr. Ward Dean
Board Certified
37 years in practice
717K people helped
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What happens if I use a ripped contact lens?

You risk infection: Torn contacts have sharp edges that can scratch the eye. This can in turn allow bacteria from the contact or eye surface to get under the skin and cause a serious eye infection. Do not use a torn contact lens! ...Read more

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How long does a contact lens generally last?

Depends: Each lens is designed to last a different amount of time. Some lenses are replaced daily, some two weeks, and some one month. A few lenses are replaced quarterly but these need to be enzyme cleaned weekly. The difference in lenses is how well they repel protein and other deposits. ...Read more

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When should I change the cleaning solution in the contact lens case?

Daily: For chemical disinfection - the solution should be changed daily and the case allowed to dry. For hydrogen peroxide systems, the lenses can sit safely unopened in the case for about a week. Longer than that repeat the sterilization cycle. ...Read more

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How often do I have to switch my contact solution from my contact lens case?

Clean the case: Contact lens cases are commonly neglected in those who otherwise care excellently for their contact lenses. The case should be cleaned thoroughly, using soap and water and allowed to dry completely at least once per week. Some recommend boiling the case or ethyl alcohol but this must be thoroughly removed before the case is used. Some replace each 3 months. ...Read more

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Dr. Ward Dean
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