Multiple choice general knowledge Tonometry is Measurement of pressure on the heart muscles Measurement of eye pressure Measurement of blood pressure Measurement of pressure on bones Reveal answer Fill a bubble to check yourself B Correct answer Explanation Tonometry is a diagnostic test that measures intraocular pressure (IOP) within the eye. It is primarily used to screen for and monitor glaucoma, a condition where increased eye pressure can damage the optic nerve and lead to vision loss.