Fearless Hope - "One of the things the eye doctor checks when examining your eyes is your intraocular pressure (IOP). That is a measure of the pressure inside your eyeball. Eyeballs aren't
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IOP: Instruments to Measure IOP | SpringerLink
Glaucoma Test
EASYTON - handheld and digital IOP tonometer for glaucoma diagnostics
Developing research capabilities for traceable intraocular pressure measurements - EURAMET