Pterygium excision combined with pedicled conjunctival flap transplantation

The pterygium is a chronic inflammatory lesion caused by chronic stimulation of the conjunctiva, named after the insect wings. When the pterygium progressively covers part or all of the pupil, it affects vision and eye movement, and can be treated surgically when affecting aesthetics. Previous surgical methods include simple excision of pterygium, transfer of pterygium, removal of condyloma and conjunctival transplantation, and transplantation of keratoconjunctival flap. The operation is varied but no surgical method is superior to other methods. The difficulty is that the cornea can not be made. The surface is smooth and smooth and repaired as soon as possible. The recurrence rate of pterygium is about 20 to 30%. It is difficult to re-operation, so it should be successful once. Treating the disease: pterygium cataract Indication 1. Progressive pterygium. 2. The pterygium reaches the pupil area or has covered the pupil area. 3. Pterygium affects eye movements or affects the beauty. Preoperative preparation 1. Conjunctival hyperemia should be treated with antibiotic eye drops and corticosteroid eye drops first, and then surgery should be performed after the congestion is reduced or significantly reduced. 2. Rinse the conjunctival sac with saline containing gentamicin before surgery. Surgical procedure 1. The pterygium is removed. 2. Extend the conjunctival incision along the upper limbus, the length is the same length as the exposed surface, and after separation, make a pedicled conjunctival flap with the same as the exposed scleral surface, and separate the subconjunctival tissue. 3. Rotate the pedicled conjunctival flap 90° to the exposed scleral surface. 4. Continuous or intermittent suture of the free edge of the conjunctival flap, part of the suture should be fixed on the scleral surface. complication Infectious keratitis occurs after surgery, which is the most serious postoperative complication. Preoperative preoperative and preoperative preparations should be performed for each patient before surgery, and conjunctival sac culture should be performed before surgery if necessary. For patients with chronic dacryocystitis or conjunctivitis, thorough treatment should be performed before pterygium is applied. Once bacterial keratitis occurs, it should be discovered as soon as possible and treated promptly.

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