conjunctival foreign body removal

1. Foreign body on the surface of the conjunctiva. 2. Foreign matter on the upper slab. Treatment of diseases: conjunctivitis Indication 1. Foreign body on the surface of the conjunctiva. 2. Foreign matter on the upper slab. Preoperative preparation 1. The patient takes a sitting position or a supine position. 2. Use 0.5% tetracaine to eye 2 to 3 times and perform surface anesthesia. Surgical procedure 1. Gently wipe the foreign body with a cotton swab moistened with normal saline. 2. Foreign matter embedded in the superficial layer of the conjunctiva, if it can not be wiped out with a cotton swab, use a 7-gauge needle to pick it up, and then wipe it out with a cotton swab containing saline. 3. Remove the foreign material from the lower sulcus of the upper slab: flip the upper sputum and wipe the foreign body with a cotton swab dipped in salt water.