Acute effects of caffeine on intraocular pressure

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Caffeine consumption significantly raised intraocular pressure and blood pressure compared to baseline measurements.
The study involved 73 subjects, aged 18-27, with 63% being male, confirming the demographic's responsiveness to caffeine effects.
Subjects showed no significant change in intraocular pressure after consuming decaffeinated coffee, emphasizing the role of caffeine.
Statistical results revealed a significant increase in intraocular pressure (p<0.001) and blood pressure (p=0.007) following caffeinated coffee consumption.

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Quasi-experimental study shows caffeine raises intraocular pressure and blood pressure in healthy individuals, indicating potential ocular effects.

Riaz et al. (2025) studied this question.

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Quasi-experimental study shows caffeine raises intraocular pressure and blood pressure in healthy individuals, indicating potential ocular effects.