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Construction of Computerized Intraoperative Keratometer and Experimental Study

This study has been completed.
Sponsor:
ClinicalTrials.gov Identifier:
NCT01636167
First Posted: July 10, 2012
Last Update Posted: July 10, 2012
The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.
Information provided by (Responsible Party):
A-Yong Yu, Wenzhou Medical College
  Purpose
To construct a computerized intraoperative keratometer to analyze the axis of corneal astigmatism accurately as well as rapidly by self-designed software during surgery.

Condition Intervention
Corneal Astigmatism Orientation Device: computerized intraoperative keratomer

Study Type: Interventional
Study Design: Intervention Model: Single Group Assignment
Masking: None (Open Label)
Primary Purpose: Health Services Research
Official Title: Construction of Computerized Intraoperative Keratometer and Experimental Study

Further study details as provided by A-Yong Yu, Wenzhou Medical College:

Primary Outcome Measures:
  • axis of astigmatism [ Time Frame: day 1 ]

Secondary Outcome Measures:
  • axis of implantation [ Time Frame: day 1 ]

Enrollment: 60
Study Start Date: July 2011
Study Completion Date: May 2012
Primary Completion Date: December 2011 (Final data collection date for primary outcome measure)
Intervention Details:
    Device: computerized intraoperative keratomer
    computerized intraoperative keratomer can analyze the axis of corneal astigmatism accurately as well as rapidly by self-designed software during surgery
    Other Name: Experimental: computerized intraoperative keratomer
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.
  Eligibility

Information from the National Library of Medicine

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Ages Eligible for Study:   20 Years to 80 Years   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Criteria

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;
  Contacts and Locations
Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT01636167


Locations
China, Zhejiang
Wenzhou Medical College
Wenzhou, Zhejiang, China, 325000
Sponsors and Collaborators
Wenzhou Medical University
Investigators
Principal Investigator: YU A YONG Wenzhou Medical University
  More Information

Responsible Party: A-Yong Yu, Clinical Professor, Wenzhou Medical College
ClinicalTrials.gov Identifier: NCT01636167     History of Changes
Other Study ID Numbers: Astigmatism
First Submitted: June 29, 2012
First Posted: July 10, 2012
Last Update Posted: July 10, 2012
Last Verified: July 2012

Additional relevant MeSH terms:
Astigmatism
Refractive Errors
Eye Diseases