March 17, 2026 · Journal of cataract and refractive surgery · DOI: 10.1097/j.jcrs.0000000000001941

Optimization of crystalline lens refractive index to improve the accuracy of intraocular lens power calculation in patients with dense cataract

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The authors aimed to evaluate how the crystalline lens refractive index (LRI) affects prediction error (PE) in intraocular lens power calculations for patients with dense cataracts. They found that using a corrected LRI (CLRI) significantly reduced PE compared to the standard LRI, particularly in patients with high lens nucleus hardness. This suggests that optimizing the LRI can improve the accuracy of intraocular lens power calculations in this patient population.

Tsuyoshi Nogami, Takashi Kojima, Akeno Tamaoki, Ayako Sawaki, Asato Hasegawa, Tatsushi Kaga

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