患者，许××，男，63岁，住院号3434，因左眼视力逐渐下降半年，拟诊两眼慢性闭角型青光眼于1993年9月16日至30R住我科。局麻下分别施行两眼抗青光眼手术，手术顺利，术后口服地塞米松、消炎痛抗炎治疗。一周后，患者实感右上腹疼痛难忍，并诉几日来排便困难。考虑可能为便秘 Patients, Xu × ×, male, 63 years old, hospital number 3434, due to decreased left eye vision for six months, to be diagnosed two chronic angle-closure glaucoma in September 16, 1993 to 30R live in our department. Under local anesthesia were administered two anti-glaucoma surgery, the operation was smooth, postoperative oral dexamethasone, anti-inflammatory analgesic treatment. A week later, the patient felt pain in his right upper quadrant and complained of difficulty in defecation for a few days. Consider may be constipation