Accuracy of Holladay 2 Formula in the Absence of Lens Thickness

Accuracy of Holladay 2 Formula Using IOLMaster Parameters in the Absence of Lens Thickness

Status

Completed

Phases

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT01846078

Enrollment

143

Registered

2013-05-03

Start date

2012-06-30

Completion date

2012-12-31

Last updated

2013-05-03

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

Conditions

Cataracts

Brief summary

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

Interventions

DEVICEoptical biometric measurement (IOLMaster)

IOLMaster version 5.4 was used to measure the patients' optical biometry by non contact technique.

Study design

Allocation

Intervention model

SINGLE_GROUP

Primary purpose

DIAGNOSTIC

Masking

NONE

Eligibility

Sex/Gender

ALL

Age

44 Years to 89 Years

Healthy volunteers

Yes

Inclusion criteria

* patients with cataract

Exclusion criteria

* previous ocular diseases * previous ocular surgery

Design outcomes

Primary

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

Countries

Thailand

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026