Don’t worry, astigmatism is not a disease!

Astigmatism Diagram

Many times people hear that they have astigmatism and think it’s some sort of eye disease. This is not the case. Astigmatism is an optical or refractive disorder, similar to near sightedness and far sightedness. Astigmatism occurs when the cornea or lens of the eye has two different curvatures, similar to a football rather than a baseball. Having two different curvatures causes it to have two different powers, and it bends light through the eye differently. This causes a distortion that can be corrected by wearing glasses or contact lenses with two different curvatures that counteract the curvatures of the eye.

From the eye doctors, opticians and staff at Rinkov Eyecare Centers. We’ve provided comprehensive eye exams, contact lenses, eyeglasses, sunglasses and medical treatment of eye disease such as cataract treatment in Columbus, Ohio, for over 35 years. Come see an optometrist at one of our Columbus locations – Downtown, West, East, Westerville, Dublin, Bexley and Nationwide Plaza. 

CARE : 20|20 : LIFE

*this advice is general in nature and does not constitute an exam. For specific advice, see your eye doctor or healthcare professional.*

What is astigmatism?

Understanding AstigmatismA lot of our patients ask us what astigmatism is. We find that most think it is a disease or growth in the eye. It is actually just a refractive condition similar to near-sightedness or far-sightedness. It is caused when the cornea or lens of the eye is not perfectly spherical like a baseball, but instead has two curvatures like a football. The curvature is one of the main things to give power to the cornea or lens. Therefore if they have two different curvatures, they have two different powers, and they bend light rays to two different points in the back of the eye. This causes distortion or blur. This can be accommodated for by prescribing glasses or contact lenses with two different curvatures to counteract that of the eye. What to learn more? Check out our website www.rinkoveyecare.com for more information.

From the Eye Doctor, Opticians and Staff of Rinkov Eyecare Centers. Providing quality comprehensive eye exams, contact lenses, glasses, sunglasses and medical treatment of eye disease. Eye exams and eyeglasses in Columbus, Ohio for over 35 years. Come see an Optometrist at one of our Columbus Ohio locations – Downtown, West Columbus, Dublin, Westerville and Reynoldsburg. www.rinkoveyecare.com

CARE : 20|20 : LIFE

*this advice is general in nature and does not constitute an exam. For specific advice, see your eye doctor or healthcare professional.*

What is astigmatism?

Many people are confused by the term “astigmatism” when they visit their optometrist. Many people think it is some sort of disease of the eye. It is actually a refractive condition of the eye like near-sightedness or far-sightedness. Astigmatism causes visual distortion due to the curvature of the front of the eye, known as the cornea, or the crystalline lens within the eye. The visual distortion results from the fact that the cornea or lens are not perfectly spherical, like a baseball, but have two different curvatures, like a football. The curve of any lens is one of the main things to give it power, therefore, if the cornea or lens has two different curvatures, it has two different powers, and is bent to two different points within the eye, depending on the orientation of the light entering the eye. This causes distortion. This can be corrected by your optometrist with eyeglasses or contact lenses that have two different curvatures to perfectly counter-balance the curves in your cornea or lens.

From the Optometrists, Opticians and Staff of Rinkov Eyecare Center. Providing quality comprehensive eye exams, contact lenses, glasses, sunglasses and medical treatment of eye disease. Serving Columbus, Ohio for over 30 years. Downtown Columbus, West Columbus, Dublin, Westerville and Reynoldsburg.

www.rinkoveyecare.com

Downtown – 614-224-2414 West – 614-878-7771

East – 614-861-7771 Westerville – 614-890-3577

Dublin – 614-978-9940

Halos and Starbursts!

Many people have trouble with Christmas lights looking like they have a halo around them or are star bursts. Our patients often notice similar issues with headlights at night. We see this all the time and it is typically due to uncorrected near- sightedness, far-sightedness, or astigmatism. Updating your glasses prescription can help as does a high quality anti-reflective treatment for your lenses. There is also something called higher order aberrations, which requires special equipment to diagnose (we have such equipment available at Rinkov Eyecare Center!).

Near-sightedness, far-sightedness, and astigmatism are lower order aberrations. Lower order aberrations are all that are corrected in typical glasses. Your eye doctor and his/her technicians can also perform tests to determine whether or not you have high order aberrations. If so, there are premium lenses available that do a wonderful job of correcting higher order aberrations (these lenses are especially great for eliminating glare at night).

Want to learn more about high order aberrations? Give your eye doctor a call (or call any of our offices!)

From the Optometrists, Opticians and Staff of Rinkov Eyecare Center. Providing quality comprehensive eye exams, contact lenses, glasses, sunglasses and medical treatment of eye disease. Serving Columbus, Ohio for over 30 years. Downtown Columbus, West Columbus, Dublin, Westerville and Reynoldsburg.

www.rinkoveyecare.com

Downtown – 614-224-2414 West – 614-878-7771

East – 614-861-7771 Westerville – 614-890-3577

Dublin – 614-978-9940

*this advice is general in nature and does not constitute an exam. For specific advice, see your eye doctor.