The purpose of this study is to:~Compare the vascularity of primary pterygium before and 1 week after intralesional ranibizumab (0.3 mg/0.03 mL) injection.~Compare the size of primary pterygium before and 1 week after intralesional ranibizumab (0.3 mg/0.03 mL) injection.~Compare the recurrence rate at 1 year after pterygium excision surgery between the group with and without intralesional ranibizumab injection.
The purpose of this study is to evaluate the pterygium vascularity and size before and after intralesional ranibizumab injection and to evaluate its recurrence rate following pterygium excision surgery.