Construction of Computerized Intraoperative Keratometer and Experimental Study

This study has been completed.
Sponsor:
Information provided by (Responsible Party):
A-Yong Yu, Wenzhou Medical College
ClinicalTrials.gov Identifier:
NCT01636167
First received: June 29, 2012
Last updated: July 9, 2012
Last verified: July 2012
  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: Open Label
Primary Purpose: Health Services Research
Official Title: Construction of Computerized Intraoperative Keratometer and Experimental Study

Further study details as provided by Wenzhou Medical University:

Primary Outcome Measures:
  • axis of astigmatism [ Time Frame: day 1 ] [ Designated as safety issue: No ]

Secondary Outcome Measures:
  • axis of implantation [ Time Frame: day 1 ] [ Designated as safety issue: No ]

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

Ages Eligible for Study:   20 Years to 80 Years
Genders Eligible for Study:   Both
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
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Please refer to this study by its ClinicalTrials.gov identifier: 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

No publications provided

Responsible Party: A-Yong Yu, Clinical Professor, Wenzhou Medical College
ClinicalTrials.gov Identifier: NCT01636167     History of Changes
Other Study ID Numbers: Astigmatism
Study First Received: June 29, 2012
Last Updated: July 9, 2012
Health Authority: China: Food and Drug Administration

Additional relevant MeSH terms:
Astigmatism
Refractive Errors
Eye Diseases

ClinicalTrials.gov processed this record on July 26, 2014