To measure the equatorial lens diameter in vivo and correlate it with other biometric variables in children undergoing cataract surgery. Tertiary care institution. Prospective case series. Children younger than 5 years with cataracts were included. Those with corneal opacities, previous ocular surgery, traumatic cataracts, and/or any coexisting corneal or retinal ocular pathology were excluded. In addition to routine investigations, all patients underwent ultrasound biomicroscopy of both eyes.
