Alcaine

Definition

Alcaine is a brand name for proparacaine hydrochloride, a topical anesthetic used in ophthalmology to numb the eye's surface. It provides temporary relief from pain during eye procedures.

5 Must Know Facts For Your Next Test

1. Alcaine is typically used before eye surgeries, tonometry, or other diagnostic tests.
2. The onset of action for Alcaine is usually within 30 seconds and lasts about 15 minutes.
3. It works by inhibiting sodium ion channels, preventing nerve impulse transmission and sensation of pain.
4. Common side effects can include mild stinging or burning upon application.
5. Repeated use or overuse of Alcaine can lead to corneal damage.

Review Questions

• What is the primary use of Alcaine in ophthalmic practices?
• How long does it usually take for Alcaine to start working and how long does its effect last?
• What mechanism does Alcaine use to provide its anesthetic effect?

Related terms

Proparacaine: A local anesthetic used in ophthalmology; active ingredient in Alcaine.

Tetracaine: Another topical ocular anesthetic used similarly to proparacaine.

Fluorescein: A dye often used alongside topical anesthetics like Alcaine for diagnostic purposes in eye exams.