| Why carry out this study? |
| Vault prediction is a popular research topic in the field of implantable collamer lens (ICL) implantation. Recently, many researchers have derived vault prediction formulae; however, comparative studies validating these formulae are lacking. |
| Our study aimed to compare the accuracy of the NK, KS, WH, Luo, Zhu, Hun, and ZZ formulae in predicting the vault and to provide guidance for clinical applications. |
| What was learned from the study? |
| We found that KS and WH formulae have the lowest median absolute prediction error (MedAE) and highest percentage of prediction error (PE) range of ± 300 µm, and the difference between predicted and actual vault is smaller. |
| The KS and WH formulae were more accurate than the NK, Zhu, Luo, Hun, and ZZ formulae and provided good vault predictions. |
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