Artificial tears

Definition

Artificial tears are lubricant eye drops used to relieve dryness and irritation in the eyes. They mimic natural tears to provide moisture and protection.

5 Must Know Facts For Your Next Test

1. Artificial tears are commonly used to treat dry eye syndrome, which can result from various factors including environmental conditions and prolonged screen time.
2. They can be composed of different active ingredients such as carboxymethylcellulose, polyethylene glycol, or glycerin.
3. Preservative-free formulations are available for individuals with sensitive eyes or those who require frequent application.
4. Overuse of artificial tears containing preservatives can potentially cause irritation or damage to the ocular surface.
5. Patients using other ophthalmic medications should use artificial tears at least 15 minutes apart from their other treatments to avoid dilution.

Review Questions

• What are the main purposes of using artificial tears?
• Name two common active ingredients found in artificial tears.
• Why might preservative-free artificial tears be recommended for some patients?

Related terms

Ocular Anesthetics: Drugs that temporarily numb the surface of the eye during procedures.

Dry Eye Syndrome: A condition where there is insufficient lubrication on the surface of the eye.

Preservative-Free Formulation: Products that do not contain preservatives, suitable for sensitive eyes or frequent use.