关键词: 人工晶状体, 角膜屈光术, 白内障

Abstract: Nowadays patients who got laser corneal refractive surgery years ago began to develop cataracts. Because of the cornea changes caused by the surgery, the traditional intraocular lens (IOL) formula is not applicable for producing large postoperative refractive errors. The error sources include the measurement error of the cornea anterior surface curvature radius, corneal refractive power, the axial length, and the position of the effective intraocular lens. The formulas that do not require preoperative data before refractive surgery, such as Hoffer Q formula, Barrett True-K formula, Shammas-PL formula, etc., can be applied on the patients who had undergone the laser corneal refractive surgery. The accuracy and predictability of the new generation IOL formulas based on ray tracing principles or artificial intelligence, including Olsen formula, EVO formula, Hill-RBF formula, Kane formula, etc., have been confirmed in the calculation of intraocular lens power in patients undergoing conventional cataract surgery. However, the application value of those new generation IOL formulas in the patients after laser corneal refractive surgery still needs further research to confirm.(Int Rev Ophthalmol, 2022, 46: 460-464)

Key words: intraocular lens, corneal refractive surgery, cataract