Do stitches need to be removed after glaucoma surgery?

Nov 18, 2025 Source: Cainiu Health

Dr. Wang Lei

Introduction

If absorbable sutures (such as catgut or synthetic absorbable sutures) are used during surgery, no additional suture removal is required. These sutures are gradually absorbed by the body over several weeks to months after surgery. The absorption process does not cause significant discomfort to the eye and does not interfere with wound healing. The surgeon will inform you of the type of suture used and related precautions before or after the procedure.

Generally, suture removal after glaucoma surgery depends on the type of sutures used. If absorbable sutures are used, no removal is necessary. If there are any concerns, it is recommended to consult a healthcare provider in advance. Detailed explanations are as follows:

If non-absorbable sutures (such as nylon or silk) are used during glaucoma surgery, they must be removed according to medical instructions after the procedure. These sutures cannot degrade naturally and, if left in the eye for prolonged periods, may cause foreign body sensation, inflammatory reactions, or even compromise surgical outcomes. Typically, the doctor will evaluate wound healing 1–2 weeks post-surgery and remove the sutures accordingly.

If absorbable sutures (such as catgut or synthetic absorbable sutures) are used, no additional removal is required. These sutures gradually dissolve within several weeks to months after surgery. The absorption process usually causes no significant discomfort and does not interfere with wound healing. The surgeon will inform the patient about the suture type and related precautions before or after the operation.

Regular follow-up visits after glaucoma surgery are essential so that the doctor can determine whether suture removal is needed and when it should be performed. Patients should avoid rubbing or bumping the eye and maintain good ocular hygiene. If symptoms such as increasing redness, swelling, or pain occur, prompt medical attention is advised.

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