Is it okay to wear contacts with a different base curve?

Can I order contact lenses with a different base curve? You should never order contact lenses with a base curve that is different from your prescription. This can damage your eyes and cause problems with vision.

What is the best base curve for contacts?

Studies show that a single base curve of 8.4mm managed a “good or better” fit in approximately 90\% of individuals,1 and base curves of 8.4mm and 8.6mm together encompassed 98\% of individuals.

Can contacts be too big?

It is not recommended to wear contact lenses with a different diameter from your prescription. If the diameter is too wide, the lens will be loose in the eye and may slip out of place. If the diameter is too small, the lens will have a tight fit, causing discomfort.

Does base curve diameter matter for contacts?

The diameter and base curve are important factors in determining what the optimum fit is for you. A proper fit ensures full coverage of the cornea, optimum edge alignment, and adequate movement of the lens for tear exchange.

Are there smaller contact lenses?

If you have small eyes, you do have options for contact lenses. If your eyes are small, you can choose a soft contact lens with a smaller diameter. This will make it easier for you to put the contacts in your eyes. These are rigid lenses, but ones that are much smaller in diameter and are easier to get into your eyes.

Can base curves change over time?

If the same base curve is continually used as the wearer’s prescription changes, which might necessitate a change in the manufacturer’s recommended base curve, the peripheral optical performance of the lens may suffer as a consequence.

Is base curve the same as Axis?

BC median refers to a base curve 8.7 mm. Diameter. Abbreviated “DIA” the diameter of a lens measures the width of a lens in millimeters, from end to end. The axis (AX) indicates the orientation of the astigmatism, a measurement that designates where the cylinder correction should be located.