Construction of Computerized Intraoperative Keratometer and Experimental Study

Not Applicable

Completed

• Conditions: Corneal Astigmatism; Orientation

• Registration Number: NCT01636167
• Lead Sponsor: Wenzhou Medical University

Brief Summary

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

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 Timeline

• Study Start: 2011-07
• Primary Completion: 2011-12
• Study Completion: 2012-05
• Study First Submitted: 2012-06-29
• Status Verified: 2012-07
• Study First Submitted QC: 2012-07-09
• Last Update Submitted: 2012-07-09
• Study First Posted: 2012-07-10
• Last Update Posted: 2012-07-10

Recruitment & Eligibility

• Status: COMPLETED
• Sex: All
• Target Recruitment: 60

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 & Design

• Study Type: INTERVENTIONAL
• Study Design: SINGLE_GROUP

Primary Outcome Measures

Name	Time	Method
axis of astigmatism	day 1

Secondary Outcome Measures

Name	Time	Method
axis of implantation	day 1

Trial Locations

Locations (1)

Wenzhou Medical College; 🇨🇳 Wenzhou, Zhejiang, China