Objective: To compare the occurrence probability of posterior scleral dissolution in two different surgical
methods, and to explore the reasons for the dissolution of the scleral. Methods: Using two different surgical
methods on 263 cases of pterygium submitted in our hospital in 2 years, observed the occurrence of scleral
at postoperative, and treated with topical drugs. Results: Two hundred and sixty three cases of patients with
pterygium, 130 cases of pterygium resection and conjunctival flap transposition, bare 3 mm limbus sclera,
postoperative topical mitomycin C (MMC). The recurrence of pterygium in 26 cases, scleral melting in 6 cases;
133 cases of pterygium excision and limbal stem cell transplantation, MMC (0.02% MMC drip after operation, 5
cases of recurrent pterygium, no scleral melting occurred in 1 case. Conclusion: The scleral dissolution occurred
after pterygium surgery is a serious complication, which may be related to the excessive burning of the scleral
surface, and the lamellar exposure to MMC. Excision of pterygium and corneal limbal stem cell transplantation were used to cover the exposed scleral, promote the surface healing of the wound, and avoid the MMC direct
infiltration of the lamina. Compared with the traditional operation mode, the recurrence rate is low, and the
complication is little. It is a safe and effective surgical method.