The Effect of Pterygium on Corneal Astigmatism and Visual Acuity

To evaluate the effect of pterygium on corneal astigmatism and visual acuity, we checked the corneal curvature and visual acuity before and after the operation for pterygium in 126 eye. In the cases of Grade I, the mean change of the horizontal corneal curvature was +0.32D and the mean change of the vertical corneal curvature was +0.07D (P0.5).