Accuracy of Holladay 2 Formula in the Absence of Lens Thickness

Not Applicable

Completed

• Conditions: Cataracts
• Interventions: Device: optical biometric measurement (IOLMaster)

• Registration Number: NCT01846078
• Lead Sponsor: Mahidol University

Brief Summary

Hypothesis: Holladay 2 formula is still accurate even used without lens thickness data.

Detailed Description

Not available

Study Timeline

• Study Start: 2012-06
• Primary Completion: 2012-09
• Study Completion: 2012-12
• Status Verified: 2013-04
• Study First Submitted: 2013-04-30
• Study First Submitted QC: 2013-05-02
• Last Update Submitted: 2013-05-02
• Study First Posted: 2013-05-03
• Last Update Posted: 2013-05-03

Recruitment & Eligibility

• Status: COMPLETED
• Sex: All
• Target Recruitment: 143

Inclusion Criteria

• patients with cataract

Exclusion Criteria

• previous ocular diseases
• previous ocular surgery

Study & Design

• Study Type: INTERVENTIONAL
• Study Design: SINGLE_GROUP

Arm && Interventions

Group	Intervention	Description
Mean absolute errors, median absolute errors	optical biometric measurement (IOLMaster)	-

Primary Outcome Measures

Name	Time	Method
mean absolute error of Holladay2 formula	6 months	IOLMaster version 5.4 was used to measure the patients' optical biometry by non contact technique.

Trial Locations

Locations (1)

Siriraj Hospital; 🇹🇭 Bangkok, Thailand