This is the largest prospective randomized trial that addressed the value of beta irradiation after surgical excision of pterygium after that of Jurgenliemk, 86 cases (2), Nakamatsu , 73 cases (3), and De Keizer, 57 cases (4). It is also the first one that compared low-dose fractionation (20 Gy/10 fractions) with higher dose per fraction regimens (35 Gy/7 fractions). The ... إقراء المزيد