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General Contact Lens Care and Questions A discussion of the general questions related to contact lens care and application

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Old 06-18-2008, 12:04 PM
captainneo captainneo is offline
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Posts: 309
Default Prescription Conversion

Is there a simple way to convert a prescription for glasses to one for contact lenses?
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Old 06-19-2008, 09:44 PM
Sir Robin Sir Robin is offline
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Join Date: Jan 2008
Posts: 106

Not really, there are mathematical formulas and lots of charts. But if there is any astigmatism or presbyopia present it gets more complicated than just converting the power. Not to mention the different fits and types of contact lenses.
Just to give a little information though, with nearsighted prescriptions greater than -4.00, the contact prescription will have less power than the eyeglass. Farsighted will have more power needed in the contact prescription than the eyeglass when over a +4.00.
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Old 07-06-2008, 12:40 PM
dheeruyadav dheeruyadav is offline
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Originally Posted by captainneo View Post
Is there a simple way to convert a prescription for glasses to one for contact lenses?
I think one should consult to his/her ophthalmologist for this...he is the best person to answer this,
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