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Caffeine Consumption in Glaucoma Patients and Healthy Subjects

RecruitingNA

Sponsor: Wills Eye

Conditions: Glaucoma, Primary Open Angle

Interventions: Caffeine tablet

Countries: United States

Caffeine is the most widely consumed drinking nutrient in the world. Caffeine effects various organs and the vascular system. It decreases ocular blood flow due to vasoconstriction.

Eligibility overview

Sex: ALL

Age: 18 Years to 90 Years

Healthy volunteers: Yes

Study type: INTERVENTIONAL

Eligibility criteria

Inclusion Criteria:

* age 18 to 90 years
* diagnosis of primary open angle glaucoma (Mild, Moderate and Advanced)
* healthy subjects with no eye disease

Exclusion Criteria:

* Diseases, ophthalmic or systemic, that are likely to affect OCTA results
* greater than moderate cataract
* nystagmus
* inability to look at target
* macular degeneration other than mild drusen or pigmentary changes
* diabetic retinopathy
* neovascular glaucoma or non-glaucoma optic neuropathies
* current macular edema, prior laser to retina, inflammatory retinopathy or choroidopathy
* keratoconus, corneal ectasia, central corneal scarring
* rheumatologic diseases or Raynaud's phenomena
* pregnant and lactating women
* mental illness or alcohol addiction
* pre-existing bladder symptoms, cardiac disease or sleep disorder
* refractive spherical diopter greater than 5 or cylinder greater than 3
* possible tolerance to caffeine (drinking more than 1 cup coffee per day).

Locations (1)

Philadelphia, Pennsylvania, United States