CALCULATOR

It is recommended that this tool be used by professionals for reference purposes; when calculating intraocular lens power, please cross-reference the results obtained from multiple formulas.

Barrett Universal II Formula 用于眼轴长度小于38mm时，计算人工晶状体的屈光力 EVO Formula 用于眼轴长度小于38mm时，计算人工晶状体的屈光力；Toric版块计算散光人工晶状体屈光力使用角膜前面表面simK和预估角膜后表面屈光率；可手动输入后表面曲率； KANE FORMULA 用于眼轴长度小于35mm时，计算人工晶状体的屈光力 Barrett Toric Calculator 计算散光人工晶状体屈光力使用角膜前面表面simK和预估角膜后表面屈光率 Barrett True K Calculator 计算角膜屈光术后人工晶状体屈光力，计算时使用角膜总曲率

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CALCULATOR