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Can you use a smaller diameter contact lens than your prescription?
Drenee
yes but it would feel wierd.
Wiki User
∙ 15y ago
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Can you use a larger diameter contact lens than your prescription?
No, it can't be used. It will cause irritation in your eyes. Also visibility will not be clear.
Will discount contact lens match your prescription exactly?
Yes, discount contact lens can still match your prescription exactly. All companies have quality standards that they have to meet, so regardless of where you purchase your prescription lens, you will get the same prescription all the time.
Are there any taxes for importing contact lens from US to israel?
no. but you can't buy contact lens in the US without a prescription.
What is a Non-prescription color contact lens?
plano lenses
Is contact lens a medical device?
Yes the contact lens is a medical device and you need a prescription form an eye doctor to order them (especially online).
What is medical code 92312?
92311prescription of optical and physical characteristics of and fitting of contact lens, with medical supervision of adaptation; corneal lens for aphakia, 1 eye92312 prescription of optical and physical characteristics of and fitting of contact lens, with medical supervision of adaptation; corneal lens for aphakia, both eyes92313 prescription of optical and physical characteristics of and fitting of contact lens, with medical supervision of adaptation; corneoscleral lens
What lenses produce a small image?
The shorter the focal length of a lens, the smaller the real images that it produces. The diameter of the lens is irrelevant.
What is bcor in contact lenses?
The base curve is the radius of the sphere of the back of the lens that the prescription describes.
Can you change the diameter of contact lens from larger to smaller?
The diameter of the lens prescribed is specific to the shape of your eye. If you use contacts of the incorrect size, irritation and/or blurriness may occur, and they may be prone to falling out of your eye during normal use. Use the measurements prescribed by your optometrist. It's the reason prescriptions are required to buy them.
How does a convex lens work to make you see things?
The amount of curve (convex) in the lens determines the strength of the lens, thereby determining the effectiveness (or strength) of the lens. This is how the prescription strength of contact lenses is determined.
Does your contact lens prescription have to be exact because i cant seem to find my exact one online?
Yes.
What is the range of contact lens prescription?
Lenses can be custom made in any prescription, but most soft lens companies manufacture a range of the most common prescriptions, between +8.00 to -8.00 and others range from -20.00 to - 20.00.
