The effect of caffeine on pupil size and accommodation
7 April 2021
| Kurt Spiteri Cornish
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EYE - Neuro-ophthalmology
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Caffeine, accommodation, pupil diameter, visual function
Twenty-two young and healthy participants were recruited in this study. The authors showed that pupil size increased as a result of caffeine consumption. A more stable (lower variability of accommodation) accommodative response (AR) was induced by caffeine intake, whereas the...
Caffeine concentration in the vitreous after drinking coffee
7 April 2021
| Ed Rule
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Retina / Uvea / Vitreous
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Blood serum concentrations, Caffeine, Epiretinal membrane, Gas chromatography-mass spectrometry, Vitrectomy with membrane peeling, Vitreous
Caffeine is known to penetrate many bodily fluids, including the vitreous. In this prospective study, investigators measured caffeine levels in vitreous samples from patients undergoing vitrectomy and epiretinal membrane peel. Patients were divided into habitual and non-habitual coffee drinkers. One...
