Accuracy of Different IOL Power Calculation Formulas in Children with Short Axial Length

Comparing the Accuracy of Different IOL Power Calculation Formulas in Children with Short Axial Length

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

PACTR

Registry ID

PACTR202511799072009

Enrollment

Registered

2025-11-18

Start date

2023-04-08

Completion date

Unknown

Last updated

2026-09-14

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Eye Diseases Paediatrics

Interventions

Haigis formula

Sanders retzlaff kraff theoretical formula

Hoffer Q formula

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: - Age: 1- 6 years. - Children who underwent uneventful pediatric cataract surgery and posterior chamber intraocular lens (PCIOL) implantation in the capsular bag. - Corneal diameter ? 10mm. - Clear cornea - Axial length = 21 mm.

Exclusion criteria

Exclusion criteria: - Eyes with traumatic cataracts. - Micro-cornea and Microphthalmos. - Intraocular lenses (IOLs) implantation in the ciliary sulcus or aphakia for secondary implantation.? Pre-existing ocular diseases such as: - Corneal disorders as corneal opacities and scars. - Glaucoma, uveitis, retina or optic nerve diseases.

Design outcomes

Primary

Measure	Time frame
Intra-ocular Pressure (IOP)	—

Secondary

Measure	Time frame
Postoperative refraction;Corneal diameter;Axial Length distribution;White to White Dimension (WTW)	—

Countries

Egypt

Contacts

Public ContactRabab Elseht

Professor

rabab.elsoht@med.tanta.edu.eg00201224567008

Outcome results

None listed

Source: PACTR (via WHO ICTRP) · Data processed: Sep 19, 2026