The Effects of Caffeinated Coffee on Intraocular Pressure
| Status: | Completed |
|---|---|
| Conditions: | Ocular |
| Therapuetic Areas: | Ophthalmology |
| Healthy: | No |
| Age Range: | Any |
| Updated: | 10/21/2012 |
| Start Date: | November 2010 |
| End Date: | July 2012 |
| Contact: | Aliya Jiwani, BA |
| Email: | aliya_jiwani@meei.harvard.edu |
| Phone: | 6175734240 |
High intraocular pressure (IOP) is a known risk factor for developing primary open-angle
glaucoma (POAG). Caffeine intake has been shown to increase IOP. The investigators
hypothesize that the effects of caffeine intake on IOP are different in certain populations.
Inclusion Criteria:
- 40-89 yrs
- POAG for cases or no forms of glaucoma for controls
- Willingness to drink coffee
- Consent signed
Exclusion Criteria:
- Age less than 40 or greater than 89 yrs
- all forms of glaucoma other than POAG
- any condition inappropriate for tonometry (ie corneal disease, LASIK)
- unable or unwilling to give consent
- unable or unwilling to drink coffee
- pregnancy
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