Fig. 4

Relationship between the preoperative WTR corneal astigmatism and postoperative SE prediction error. Scatter plot representation of the SE prediction error against the corresponding value of WTR preoperative astigmatism (Top right). Distribution of WTR preoperative corneal astigmatism (Top left). Distribution of the SE prediction error corresponding to WTR preoperative corneal astigmatism (Bottom right). (average axial length eyes, i.e., eyes with axial length greater than 22.0 mm and less than 25.0 mm)