1. a medicated eye wash or lotion used to treat eye conditions
Usage: medical; archaic

Examples

• The ancient physician prepared a collyrium from herbs to treat the patient’s eye infection.
• Roman doctors often prescribed collyrium for various eye ailments.
• The collyrium was applied directly to the affected eye using a small applicator.
• Historical medical texts describe numerous recipes for collyrium preparations.
• The pharmacist mixed a collyrium containing zinc sulfate for the eye condition.