Visual impairments in pterygium is due to -: (A) Astigmatism, (B) Myopia, (C) Hypermetropia, (D) Hazy cornea
Answer is A. Visual disturbances occur when pterygium encroches the pupillary area or due to corneal astigmatism induced due to fibrosis in the regressive stage. Reference : Khurana 7th edition, page : 89