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International Journal of Clinical Medicine Research

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Assessment of the Effect of Caffeine on Intraocular Pressure Among Adults Attending the Ophthalmic Clinics of Irrua Specialist Teaching Hospital

International Journal of Clinical Medicine Research
Vol.4 , No. 6, Publication Date: Dec. 5, 2017, Page: 83-87

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Authors

[1]	Ovienria Wilson Abhuluime, Department of Ophthalmology, Irrua Specialist Teaching Hospital, Irrua, Nigeria.
[2]	Oyakhire Musa Oseni, Department of Physiology, Faculty of Basic Medical Sciences, College of Medicine, Ambrose Alli University, Ekpoma, Nigeria.
[3]	Ernest-Nwoke Israel Onyebuchi, Department of Physiology, Faculty of Basic Medical Sciences, College of Medicine, Ambrose Alli University, Ekpoma, Nigeria.
[4]	Akpamu Uwaifoh, Department of Physiology, Faculty of Basic Medical Sciences, College of Medicine, Ambrose Alli University, Ekpoma, Nigeria.

Abstract

This study determines the effect of caffeine on the intraocular pressure of adults. It is a retrospective study carried out on adults attending the ophthalmic clinic in Irrua Specialist Teaching Hospital (ISTH), Irrua Nigeria. The study was conducted using questionnaire to obtain information on consumption of caffeinated drinks, tea and chocolate via the National Health Service semi-quantitative food frequency questionnaire assessment. Subjects who met the criteria and gave informed consent were recruited for ocular examination and intraocular pressure (IOP) measurement using the standard Goldman applanation tonometer. Statistical analysis was conducted on 388 subjects who completed the study out of which 201 of them had history of caffeine intake giving a prevalence of caffeine intake to be 51.80. Irrespective of caffeine intake, mean intra ocular pressure was higher in the right eye compared to the left eye. Mean IOP was also significantly higher in caffeine positive group (right eye = 22.05±6.61 mmHg versus 12.21±5.31 mmHg; p<0.05, and the left eye = 19.40±5.94 mmHg versus 11.87±5.05 mmHg; p<0.05) compared to caffeine negative group. Judging by the findings herein presented, caffeine intake may be a risk factor for high IOP and may predispose to glaucoma, visual impairment and blindness.

Keywords

Caffeine, Caffeinated Drinks, Intraocular Pressure

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