Erica goes for an optometric exam. She especially hates the part where a puff of air is directed at her open eye. This is a test to detect the increased intraocular pressure of glaucoma, and the instrument that measures her response is called a _________.

Erica goes for an optometric exam. She especially hates the part where a puff of air is directed at her open eye. This is a test to detect the increased intraocular pressure of glaucoma, and the instrument that measures her response is called a _________.


Answer: tonometer


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