White petrolatum/mineral oil

Definition

White petrolatum/mineral oil is a common ophthalmic lubricant used to relieve dryness and irritation in the eyes. It forms a protective barrier on the ocular surface, preventing moisture loss.

5 Must Know Facts For Your Next Test

1. White petrolatum/mineral oil is often used in combination with other lubricants for enhanced efficacy.
2. It is particularly useful for overnight use due to its long-lasting effects.
3. These lubricants are generally safe but can cause temporary blurred vision immediately after application.
4. Mineral oil helps to soften and remove debris from the ocular surface, improving comfort.
5. White petrolatum/mineral oil formulations are preservative-free, reducing the risk of allergic reactions.

Review Questions

• What is the primary function of white petrolatum/mineral oil in ophthalmic care?
• Why might white petrolatum/mineral oil be preferred for overnight use?
• What precaution should patients take immediately after applying white petrolatum/mineral oil?

Related terms

Artificial Tears: Lubricating drops that mimic natural tears to relieve dryness.

Ocular Anesthetics: Medications used to numb the eye temporarily for procedures.

Preservative-Free Drops: Ophthalmic solutions without preservatives, reducing the risk of irritation or allergies.