Conclusions:Iatrogenic keratoconus, high myopia and highastigmatism are the major cause of vision lowering after RK, PRK LASIK.
结论：RK、PRK、LASIK术后视力低下的主要原因是医源性圆锥角膜和高度近视、高度散光。
2
People with a high degree of farsightedness along with astigmatism have less predictable results.
对远视兼散光的人手术后结果的预期较少。
3
Keratoconus is an uncommon autosomal recessive inheritance, characteristic of corneal ectasia, which results in the corneal central anterior bulging, conus formation and high irregular astigmatism.