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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
359 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?

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

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Can you give me suggestions with diameter in contact lens?

Can you give me suggestions with diameter in contact lens?

For soft lenses: The diameter is determined by the brand of contact lens in most cases. The brand of contact lens is on your contact lens prescription. ...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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How do I remove a stuck contact lens?

See the following: Most contact lenses get stuck in the upper, outer quadrant of the space between the lid and the conjunctiva. The rest of the eye spaces are too small except for hard lenses or broken lenses. The get the lens out of the usual spot, hold the upper lid up and out, and look down and in for about 14 seconds. This will stretch the conjunctiva and push out the lens. ...Read more

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How can I improve my contact lens comfort?

Depends : On the cause. It could be related to the fit, the lens material, the solutions, protein buildup, or even dry eye or allergy. Best to see an ophthalmologist to help get to the bottom of it. This is the reason that many patients opt for refractive surgery (lasik) if it cannot be resolved satisfactorily. ...Read more

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What is the best contact lens solution to buy?

What is the best contact lens solution to buy?

Focused cleaner: Most contact solutions are multi-purpose with both a cleaner and a moisturizer built in. This was done for convenience and not necessarily best for the eye. I would recommend using a hydrogen peroxide based cleaner (ie, clear care) to clean the contacts and then a saline solution to rinse them off. This will give the maximum cleaning for both bacteria and enzymes. ...Read more

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How often should you replace your contact lens case?

How often should you replace your contact lens case?

When it wears out: However you should clean your case every time you put your contacts in your eyes. Clean it by rinsing thoroughly with tap water and allowing it to air dry. Do not reuse contact lens solution. It will work only if you use new solution out of the bottle everytime you put the contacts into the case. ...Read more

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My contact lens keeps sliding down? What should I do?

Replace it: Get a new one out of the box. If you are new to these particular contact, you may need a tighter fit. Call your eye care provider. ...Read more

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Common problems for a first-time contact lens wearer?

Rubbing, troubles: Inserting. Wearing contact too long. Do what tap your eye care doctor instructed you to do and you will be fine. ...Read more

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What causes sudden but persistent contact lens intolerance?

GPC: Giant papillary conjunctivitis is the most common cause of sudden contact lens intolerance. It is treated with a period of contact lens discontinuation, topical steroid and anti-histamine/mast cell stabilizer, frequent artificial tears. Other issues such as dry eye or blepharitis could also be the cause of ctl intolerance. You should see your eye doctor for further evaluation. ...Read more