Question

A 5-year old female spayed Yorkie presents with a history of decreased vision. The doctor asks you to perform tonometry on this dog. Which of the following may be used as a topical anesthetic to the eyes so that you may check the intraocular pressures with your Tonopen?

Answer 1

Answer:

Proparacaine

Explanation:

The proparacaine, also called Proxymetacaine, is a topical anesthetic drug of the aminoester group.

This drug works as a local anesthetic which on topical application penetrates sensory nerve endings in the corneal tissue, causing a sense of numbness.

It is commonly used in form of eye drops and is indicated for this procedures: tonometry, gonioscopy, removal of foreign bodies, or other similar procedures requiring topical anesthesia of the cornea.