Humans / Blood Pressure / Intraocular Pressure / Heart rate / Clinical Sciences / Aged / Middle Aged / Optometry and Ophthalmology / Topical Drug Administration / Adult / Public health systems and services research / Ocular Hypertension / Aged / Middle Aged / Optometry and Ophthalmology / Topical Drug Administration / Adult / Public health systems and services research / Ocular Hypertension