Stopped: device updates needed
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. The purpose of this study is to develop an automated and objective method for performing applanation tonometry using standard ophthalmic equipment as well as using 2 portable prototypes.
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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 applanating protoype
Timeframe: Baseline