Comparison of accuracy of intraocular lens power calculation and measurement time using a new integrated device consisting of the optical axial length measurement apparatus and a corneal topography with those using an existing measurement devices for cataract patients

Comparison of accuracy of intraocular lens power calculation and measurement time using a new integrated device consisting of the optical axial length measurement apparatus and a corneal topography with those using an existing measurement devices for cataract patients - Outcomes of accuracy of intraocular lens power calculation and measurement time using a new integrated device consisting of the optical axial length measurement apparatus and a corneal topography

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000015947

Enrollment

100

Registered

2014-12-15

Start date

2013-06-22

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

cataract

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1)Patients who undergo phacoemulsification and aspiration with intraocularlens implantation 2)Patients with a monofocal intraocular lens 3)Patients with good locomotive function related to the measurement 4)Patinets who are able to and give consent to participation in this study.

Exclusion criteria

Exclusion criteria: 1)Patients with a systemic or ocular disease, or a history of surgery that may influence visual function 2)Patients who are using drugs that may influence visual function 3)Decrease in cognitive function and locomotive disability that may affect the results of the study 4)Contact lens users who can't stop using contact lenses for definite term before measurements

Design outcomes

Primary

Measure	Time frame
1) Difference in the measurement time 2) Difference in accuracy in intraocular lens power calculation	—

Countries

Japan

Contacts

Public ContactKazuno Negishi

Keio University School of Medicine Department of Ophthalmology

fwic7788@mb.infoweb.ne.jp03-5363-3821

Outcome results