Goldmann Applanation Tonometry (GAT) is considered the clinical gold standard for eye pressure measurements and yet it is known to be a subjective measurement with limited repeatability and limited portability. Another clinical standard for checking eye pressure is known as the pneumotonometer. This method is more objective but not portable. The purpose of this study is to develop new methods of measuring eye pressure that are more objective, reproducible and portable. In this study, the investigators will be comparing the eye pressure measurements using 2 investigational methods to GAT and pneuumotonometer.
Age range
18 Years
Sex
ALL
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A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.
Intraocular pressure (IOP) as measured by standard GAT
Timeframe: Baseline
Intraocular pressure (IOP) as measured by fixed force GAT
Timeframe: Baseline
Intraocular pressure as measured by upright applanating
Timeframe: Baseline
Intraocular pressure as measured by supine Pneumotonometer
Timeframe: Baseline