Question

disadvantages of Perkins tonometer​

Answer 1

Explanation:

Disadvantages of the Perkins method include a high level of skill to operate, decrease in stability with a handheld instrument, need for topical anesthesia, and decreased accuracy on an irregular or scarred cornea [1]. Non-contact tonometers are also known as “air-puff” tonometers.

Answer 2

Answer:

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