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Caffeine and Vision: Effects on the Eye.

Audrey Yan1, Antonio La Rosa2, Preeti Patil Chhablani3

  • 1West Virginia School of Osteopathic Medicine, Department of Medicine, Lewisburg, USA.

Turkish Journal of Ophthalmology
|October 28, 2024
PubMed
Summary
This summary is machine-generated.

Caffeine impacts eye health by blocking adenosine receptors, affecting tear production and intraocular pressure. Research on its role in eye conditions like glaucoma and cataracts is conflicting, necessitating further study.

Keywords:
Caffeinecaffeine and eye diseases, cataractchoroidal thicknesscoffee consumptiondry eyeglaucomamacular degenerationocular healthsurgical performance

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Area of Science:

  • Ophthalmology
  • Pharmacology

Background:

  • Caffeine, a widely consumed stimulant, interacts with adenosine receptors.
  • Its influence on ocular physiology, including tear production and intraocular pressure, is recognized.
  • Existing research on caffeine's association with various eye diseases presents conflicting findings.

Purpose of the Study:

  • To review and synthesize current research on caffeine's effects on eye health.
  • To explore caffeine's potential role in conditions such as glaucoma, cataracts, and macular degeneration.
  • To evaluate the implications of caffeine consumption for ocular surgery and patient safety.

Main Methods:

  • Systematic review of existing literature.
  • Analysis of studies investigating caffeine's impact on intraocular pressure, tear film, and ocular perfusion.
  • Evaluation of epidemiological and clinical data linking caffeine to specific eye diseases.

Main Results:

  • Caffeine's effect on intraocular pressure is variable, with potential for significant increases in susceptible individuals.
  • Evidence suggests a protective role against wet age-related macular degeneration, while its impact on cataracts is debated.
  • Caffeine may exacerbate tremors, potentially affecting surgical performance, particularly in novice surgeons.
  • No clear risk factor identified for dry eye, but conflicting data exists for other conditions like myopia and diabetic retinopathy.

Conclusions:

  • The relationship between caffeine and eye health is complex and not fully elucidated.
  • Further research is crucial to clarify caffeine's specific effects on various ocular conditions and inform clinical recommendations.
  • Caution is advised for individuals with glaucoma and those undergoing ocular surgery due to potential adverse effects of caffeine.