Construction of Computerized Intraoperative Keratometer and Experimental Study

July 9, 2012 updated by: A-Yong Yu, Wenzhou Medical University
To construct a computerized intraoperative keratometer to analyze the axis of corneal astigmatism accurately as well as rapidly by self-designed software during surgery.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Detailed Description

The study is designed to construct a computerized intraoperative keratometer to analyze the axis of corneal astigmatism accurately as well as rapidly by self-designed software during surgery.

Study Type

Interventional

Enrollment (Actual)

60

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

  • China
    • Zhejiang
      • Wenzhou, Zhejiang, China, 325000
        • Wenzhou Medical College

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

20 years to 80 years (ADULT, OLDER_ADULT)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Cornea astigmatism from -1.0 D to -4.0D;

Exclusion Criteria:

  • any significant corneal disease
  • Other eye diseases induces impaired vision ,such as retinal detachment,keratoconus,pterygium,glaucoma,choroidal detachment,vitreous hemorrhage,congenital cataract,lens dislocation,anterior uveitis ,pupil deformation and so on;
  • Previous corneal or intraocular surgery;
  • Refuse surgery;

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: HEALTH_SERVICES_RESEARCH
  • Allocation: NA
  • Interventional Model: SINGLE_GROUP
  • Masking: NONE

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
axis of astigmatism
Time Frame: day 1
day 1

Secondary Outcome Measures

Outcome Measure
Time Frame
axis of implantation
Time Frame: day 1
day 1

Collaborators and Investigators

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

Sponsor

Wenzhou Medical University

Investigators

  • Principal Investigator: YU A YONG, Wenzhou Medical University

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

July 1, 2011

Primary Completion (ACTUAL)

December 1, 2011

Study Completion (ACTUAL)

May 1, 2012

Study Registration Dates

First Submitted

June 29, 2012

First Submitted That Met QC Criteria

July 9, 2012

First Posted (ESTIMATE)

July 10, 2012

Study Record Updates

Last Update Posted (ESTIMATE)

July 10, 2012

Last Update Submitted That Met QC Criteria

July 9, 2012

Last Verified

July 1, 2012

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

  • Astigmatism

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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