TY - CHAP M1 - Book, Section TI - Red Eye A1 - Huston, Craig A2 - Sherman, Scott C. A2 - Weber, Joseph M. A2 - Schindlbeck, Michael A. A2 - Rahul G., Patwari PY - 2014 T2 - Clinical Emergency Medicine AB - Always begin with visual acuity, the vital sign of the eye.The patient should be instructed to remove contact lens and not to put them back in until the symptoms have resolved.The presence of pain and the relief of pain with instillation of anesthetic agents are helpful in determining the cause of red eye.Follow a systematic approach to the physical examination: visual acuity, lids and lashes, conjunctiva, sclera, cornea, pupil examination, and anterior chamber.Never prescribe topical steroids without consulting with an ophthalmologist. SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2024/04/19 UR - accessemergencymedicine.mhmedical.com/content.aspx?aid=1101228241 ER -