Can You Have Dry Eye in Only One Eye?

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Dry eye occurs when the quantity and/or quality of tears fails to keep the surface of the eye adequately lubricated. This condition is common, affecting millions of adults in the United States. The risk of developing dry eye increases with advancing age. Although dry eye is generally more of an annoyance than cause for concern, […]

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What Does Sphere, Cylinder and Axis Mean?

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If you’ve ever looked closely at your eye glass prescription, you’ve probably wondered what the numbers and terms mean. In order to be interpreted worldwide, eyeglass prescriptions are written in a standardized format with common notations. Notable terms include: Sphere (SPH) – The term “sphere” means that the correction for nearsightedness or farsightedness is spherical, equal […]

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