Ocu-Caine

Definition

Ocu-Caine is a topical ocular anesthetic used to numb the eye's surface during minor procedures. It provides rapid onset of anesthesia for short durations.

5 Must Know Facts For Your Next Test

1. Ocu-Caine works by blocking sodium ion channels in nerve cells, preventing pain signals from reaching the brain.
2. It is typically used before procedures like tonometry, removal of foreign bodies, and minor surgical interventions on the eye.
3. The onset of action for Ocu-Caine is usually within 20 seconds and lasts about 15-20 minutes.
4. Repeated use can lead to corneal damage and delayed healing, so it should be used sparingly under medical supervision.
5. Common side effects include temporary stinging or burning upon application.

Review Questions

• What mechanism does Ocu-Caine use to numb the eye?
• How long does the anesthetic effect of Ocu-Caine typically last?
• Why should repeated use of Ocu-Caine be avoided?

Related terms

Proparacaine: Another topical ocular anesthetic with similar uses and effects.

Tetracaine: A potent ocular anesthetic often used for longer procedures.

Fluorescein: A dye often used in conjunction with ocular anesthetics to visualize corneal abrasions or foreign bodies.