Condition 1: Choroidal thickness changes. Condition 2: Changes in anterior segment factors. Condition 3: Changes in choroidal vascular index.
Conditions
Interventions
Intervention 1: Intervention group: These people are given caffeinated coffee. Intervention 2: Control group: These people are given decaffeinated coffee.
Sponsors
Mashhad University of Medical Sciences
Eligibility
Sex/Gender
All
Age
20 Years to 50 Years
Inclusion criteria
Inclusion criteria: Ocular health in normal examination Not using hard contact lenses in the last month Not using soft contact lenses in the last two weeks Personal consent to participate in the research project Not consuming coffee at least 4 hours before attending the program No smoking Not drinking coffee or any caffeinated drinks during the test
Exclusion criteria
Exclusion criteria: History of systemic and ophthalmic disease People with cardiac arrhythmia History of hypertension, diabetes, glaucoma, uveitis Pregnancy and breastfeeding Taking medications that affect posterior and anterior segment of the eye History of eye surgery
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Choroidal vascularity index. Timepoint: Before intervention and 1, 2, 3, and 4 hours after intervention. Method of measurement: Posterior and anterior optical coherence tomography.;Angle-opening distance. Timepoint: Before intervention and 1, 2, 3, and 4 hours after intervention. Method of measurement: Posterior and anterior optical coherence tomography.;Trabecular iris angle. Timepoint: Before intervention and 1, 2, 3, and 4 hours after intervention. Method of measurement: Posterior and anterior optical coherence tomography.;Trabecular iris space area. Timepoint: Before intervention and 1, 2, 3, and 4 hours after intervention. Method of measurement: Posterior and anterior optical coherence tomography.;Anterior chamber depth. Timepoint: Before intervention and 1, 2, 3, and 4 hours after intervention. Method of measurement: Posterior and anterior optical coherence tomography.;Choroidal thickness. Timepoint: Before intervention and 1, 2, 3, and 4 hours after intervention. Method of measurement: Posterior and anterior optical coherence tomography.;Corneal thickness. Timepoint: Before intervention and 1, 2, 3, and 4 hours after intervention. Method of measurement: Posterior and anterior optical coherence tomography.;Choroidal luminal thickness. Timepoint: Before intervention and 1, 2, 3, and 4 hours after intervention. Method of measurement: Posterior and anterior optical coherence tomography.;Choroidal stromal thickness. Timepoint: Before intervention and 1, 2, 3, and 4 hours after intervention. Method of measurement: Posterior and anterior optical coherence tomography. | — |
Countries
Iran (Islamic Republic of)
Contacts
Public ContactIman Varshovi-Jaghargh
Mashhad University of Medical Sciences
Outcome results
None listed