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Home » Eyeglasses & Contacts » Contact Lenses » Toric Contact Lenses for Astigmatism

Toric Contact Lenses for Astigmatism

Astigmatism is a condition that is caused by an irregular shape of the cornea – the clear part of the eye that covers the iris and the pupil. The cornea is usually smooth, round, and spherical but in an astigmatic eye, the cornea turns into a shape that is not spherical and develops a second curve. One of the primary duties of the cornea is to focus light onto the retina which enables you to see clearly. When the cornea is out of shape and develops two curves, this created two focal points therefore causing blurred vision.

The irregular shape of the eye makes it hard for traditional contact lenses to fit and provide clear vision and therefore requires specialized contact lenses such as toric lenses or rigid gas permeable lenses (RGPs).

What are Toric Contact Lenses?

Toric contact lenses are designed to correct astigmatism and custom made to fit the eye of the patient. Rather than having a perfectly spherical surface like standard contact lenses, toric lenses have a more oblong shape made to accommodate the shape of the astigmatic eye. Toric lenses can be made of either soft or rigid gas permeable (RGP or GP) lens material, however the soft toric lenses are more common.

Toric contact lenses are also designed in such a way that the lenses stay in place on the eye to maintain proper vision. Sometimes as the eye moves or blinks the lens can rotate considerably on the eye. If this rotation continues with a soft toric lens, a rigid gas permeable lens might be more effective. Rigid gas permeable lenses have a longer initial adjustment time, but once this has passed they are usually just as comfortable as soft contact lenses and they are often easier to care for.

Toric lenses are available in every wearing schedule from daily disposable to long-term wear. In some cases you may even find colored toric contact lenses. Due to the customization required, toric lenses tend to be more expensive and may take more laboratory time to make than traditional lenses.

If you have astigmatism, finding the right fit for your contact lenses is essential. Speak to your eye doctor today for a full assessment to determine which type of toric lenses will work best for you to help you see and feel your best.

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The pandemic of coronavirus (COVID 19) continues to spread endangering many of us who call Midland/Odessa home. While the number of cases in Texas is growing rapidly, so far there are few cases in our area. At Vision Health Specialties it is our goal to keep it that way.

Because eye care by necessity requires close contact between workers and patients, the Center for Disease Control along with other eye care specialty organizations recommend that during this critical period eye doctors suspend routine vision examinations. In complying with this, Vision Health Specialties will terminate routine eye care beginning Monday, March 23‎rd until Monday, April 20th. We will be open from 9:00 till 4:00 PM during this period of time with a small staff to handle urgencies such as red eyes, corneal ulcers, uveitis, abrasions, sudden increases in floaters, or flashes, and foreign bodies in the eye. Please call our office before coming in. Furthermore, those who have traveled to China, Italy, South Korea, Japan, Iran, or the state of Washington, California, New York, Louisiana and/or other affected areas, as well as those who have respiratory disease, and/or fever, will be referred to the emergency department of Midland Memorial Hospital where they are equipped to handle those at risk of coronavirus.