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Doctor insights on: What Does A Contact Lens Diameter Measure

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What does a contact lens diameter measure?

What does a contact lens diameter measure?

Diameter: The distance from one edge of the lens to the other. Soft lenses are larger in diameter than hard lenses. ...Read more

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Dr. Tim Conrad
346 doctors shared insights

Contact Lens Use (Definition)

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. ...Read more


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Need a simple explaination for this. What does contact lens diameter measure?

CL diameter: The diameter of a contact lens is the distance from one side to the other. Most soft contact lenses are in the general range of 14.2 mm. ...Read more

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Contact lens diameter importance for you?

Contact lens diameter importance for you?

Contact lense fittin: Teh daimeter is very imprtant for the lenses ot fit well over the cornea, if not proper they will slip all over. ...Read more

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What exactly does contact lens diameter mean?

The diameter!: It is the diameter of the circular contact lens. The size, has nothing to do with the power of the lens. ...Read more

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What is the importance of contact lens diameter?

One of many: Parameters that determine how a contact lens is fit on the eye. Many manufactured contact lenses come in only one diameter. Generally it is one the least important parameters with the base curve and power(s) being much more important. ...Read more

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My contact lens diameter is 14.0. Does it matter if I go to a 14.5?

My contact lens diameter is 14.0. Does it matter if I go to a 14.5?

YES: THE OPTOMETRIST FITS THE CONTACTS TO THE CONTOURS OF YOUR EYE AND YOU SHOULD GET THE PROPER CONTACTS TO AVOID INJJURING YOUR EYES. ...Read more

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My contact lens diameter is 14.5. Does it matter if I purchase contacts with a diameter of 14.4 or 14.6?

My contact lens diameter is 14.5. Does it matter if I purchase contacts with a diameter of 14.4 or 14.6?

Not usually: The difference is negligible. You must check that the base curve (bc) and power are the same. ...Read more

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My contact lens diameter is 14.5. Does it matter if i buy new contact lenses with a diameter of 14 if everything is the same (power, bc, etc)?

Probably not: It should not make a big difference but the diameter of a lens can change the fit. In general, you should stick to the lenses prescribed by your eye doctor. If you want to change lenses for whatever reason, it is best to see your doctor and get a new prescription to make sure that it is safe for you. ...Read more