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Completed

NCT Number: NCT01636167

Construction of Computerized Intraoperative Keratometer and Experimental Study

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

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Key information

Conditions

Corneal Astigmatism Astigmatism Behavior Eye Diseases Orientation Orientation, Spatial Refractive Errors Spatial Behavior

Age range

20 year–80 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Primary location

Wenzhou Medical College

Wenzhou, Zhejiang, 325000, China

About this study

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.

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

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;

Treatment and study plan

computerized intraoperative keratomer

Device

computerized intraoperative keratomer can analyze the axis of corneal astigmatism accurately as well as rapidly by self-designed software during surgery

Other names: Experimental: computerized intraoperative keratomer

Primary outcomes

  1. axis of astigmatism

    Time frame: day 1

Secondary outcomes

  1. axis of implantation

    Time frame: day 1

Sponsors and collaborators

Lead sponsor

Wenzhou Medical University

Other

Registry information

Important dates

Study start
2011
Primary completion
2011
Study completion
2012
First posted
Jul 10, 2012
Registry last updated
Jul 10, 2012

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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