Moderate coffee consumption does not directly cause vision impairment or eye damage. However, heavy caffeine intake may lead to temporary visual disturbances, such as blurred vision or eye twitching, in some people. According to the Food and Drug Administration (FDA)Trusted Source, a single 8-ounce cup of coffee contains around 80–100 milligrams (mg) of caffeine. A typical…
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What to know about coffee and eye damage





