Common Signs You May Need Glasses

Chronic Headaches

Many individuals don't think about their vision when looking for a cause of chronic headaches. But frequent headaches can be a sign there's an issue with your eyes rather than your head. Headaches occur when the eyes are strained trying to take in data, potentially because the lens is trying to focus on an object but failing to center light on the retina. Some individuals experience headaches because of farsightedness, especially if they're trying to focus on objects close to them. Astigmatism can also cause headaches. Astigmatism occurs when the curve of the cornea or lens has an imperfection. In a normal eye, the lens and cornea are equally curved and smoothed in every direction, but those with astigmatism have a cornea or lens that isn't smooth or evenly curve. This causes the light rays to be refracted incorrectly, leading to nearsightedness or farsightedness. The error in light bending is called a refractive error. An adult who has significant astigmatism may be aware their vision isn't ideal, but children often don't notice symptoms.

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