[Study on microsurgical procedures for pterygium operation and its therapeutic effects].

Objective: To study the microsurgical procedures for the treatment of large primary pterygium and their therapeutic effects. To observe the recurrence rate, the changes of visual acuity after microsurgery and the pathological relationships between pterygium and cornea/sclera under the surgical microscope.

Methods: Forty-six eyes of forty-one patients with pterygium which invading the cornea over the pupil border were included.