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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 creates 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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To Our Patients at Central Ohio Eyecare,

We hope this finds you healthy and well. Our practice is preparing to welcome you back on May 4th, 2020 for your eye health needs. This announcement is to inform you of the additional steps we have taken to protect you, our patients, while you are in our office for care.

What steps have we taken to mitigate COVID-19 risk in our offices?

• We check the temperature of everyone who enters our offices, including staff and doctors, every day.

• We expect our doctors and staff to wear masks, gloves, and goggles or face shields at all times.

• All patients are required to wear a mask covering their nose and mouth while in our office.

• We use disinfectant to clean all surfaces and instruments after every patient.

• All frames will be collected and cleaned following each patient use.

• Friends and family members are asked to stay home or wait outside (unless their help is needed).

• We ask you to call us when you arrive in our parking lot.

• We ask you to go to our website to complete any new patient paperwork prior to arrival.

We look forward to welcoming you back to our practice. Rest assured we will continue to deliver your eye health care services in a clean and safe environment for you.

Best wishes,

Dr. LaMar G. Zigler

Dr. David M. Zigler