Reduction of Corneal Astigmatism With Toric Intraocular Lens Implantation in Congenital Cataract

January 16, 2014 updated by: Bo Young Chun, Kyungpook National University Hospital

Reduction of Corneal Astigmatism With Toric Intraocular Lens Implantation : Early Results in Patients With Congenital Cataract

This study was conducted to evaluate changes of reduction of corneal astigmatism with toric intraocular lens(IOL) in congenital cataract.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Detailed Description

This retrospective study included 6 eyes from 4 patients (mean age 7.2 years) with congenital cataract who had an astigmatism of 2.5 to 4.0 D prior to cataract surgery. Review of preoperative and postoperative visual acuity (UCVA), refraction, toric axis was performed.

Study Type

Interventional

Enrollment (Actual)

4

Phase

  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • Korea, Republic of
    • Kyungsangpookdo
      • Daegu, Kyungsangpookdo, Korea, Republic of, 700-721
        • Bo Young Chun, M.D.

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

1 year to 13 years (Child)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Children less than 14 years
  • Congenital cataract at initial visit
  • Symmetrical keratometric astigmatism more than 2.0 D

Exclusion Criteria:

  • Microcornea (horizontal corneal diameter less than 9.5mm-asper that particular age)
  • Corneal pathology
  • Keratoconus
  • Irregular astigmatism

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: N/A
  • Interventional Model: Single Group Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: Acrysof toric IOL
Acrysof Toric intraocular lens in congenital cataract
Device: Acrysof Toric IOL
Lens implantation following cataract surgery

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Change from baseline in astigmatism after cataract surgery at 24 months
Time Frame: preop, 3,6,12,24 month postop
Measurement of refraction after cataract surgery was performed.
preop, 3,6,12,24 month postop

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Change from baseline in quality of vision after cataract surgery at 24 months.
Time Frame: preop, 3,6,12,24 months postop
Measurement of visual acuity after cataract surgery was performed.
preop, 3,6,12,24 months postop

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Kyungpook National University Hospital

Investigators

  • Principal Investigator: Bo Young Chun, M.D, Kyungpook National University Hospital

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

January 1, 2009

Primary Completion (Actual)

January 1, 2009

Study Completion (Actual)

November 1, 2009

Study Registration Dates

First Submitted

January 16, 2014

First Submitted That Met QC Criteria

January 16, 2014

First Posted (Estimate)

January 20, 2014

Study Record Updates

Last Update Posted (Estimate)

January 20, 2014

Last Update Submitted That Met QC Criteria

January 16, 2014

Last Verified

January 1, 2014

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

  • KNUH2014-01

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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