Meanings of irregular astigmatism in English

Clear lens extraction was performed in both eyes to eliminate lenticular irregular astigmatism for visual rehabilitation.

Epithelial ingrowth is easily distinguishable from other interface complications and may be self-limited or require flap lift to treat irregular astigmatism and prevent flap melt.

In eyes without apparent progression, the yearly change rate of higher order irregular astigmatism was significantly larger than zero (P = 0.049).