Caffeine Consumption in Glaucoma Patients and Healthy Subjects

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).