Which refractive condition most commonly occurs as the eyes age?

• A. Myopia
• B. Astigmatism
• C. Presbyopia
• D. Hyperopia

Answer: (D)

As people age, the eye’s ability to focus up close gradually diminishes. This happens because the lens becomes stiffer and the muscles that change the lens shape lose some of their flexibility, so the eye can’t increase its optical power for near tasks as easily as before. The result is presbyopia, an almost universal age-related change that typically becomes noticeable in the 40s or 50s and progresses over time. That’s why reading small print or doing close work often requires reading glasses or other near Add correction.

This is different from other common refractive conditions. Myopia means distant objects appear blurry and isn’t specifically caused by aging. Hyperopia means near objects are blurry and can be present from birth or develop over time but isn’t the typical age-related change described here. Astigmatism involves irregular corneal curvature and can be present regardless of age, affecting vision at all distances rather than specifically reflecting aging of accommodation. Presbyopia is the age-related change in focusing power, making it the most common refractive shift as the eyes get older.