Calculate Future AEL
Pediatric Biometry

Future Axial Length Calculator

Estimate axial eye length at age 20 in children who have undergone bilateral cataract surgery with primary IOL implantation.

Predicted Axial Length at Age 20

AEL₂₀ = 1.93 + 0.91×AL − 0.07×Age + 2.8 − 0.1×Age
mm
yrs
Estimated Axial Length at Age 20
mm
Reference Trivedi RH, et al. A Model to Predict Postoperative Axial Length in Children Undergoing Bilateral Cataract Surgery with Primary Intraocular Lens Implantation. Am J Ophthalmol. 2019;206:228–234.
For clinical reference only. Estimates should be interpreted alongside serial biometry and clinical judgment.