Construction of Computerized Intraoperative Keratometer and Experimental Study

Wenzhou Medical University

Status

Completed

Conditions

Orientation

Corneal Astigmatism

Treatments

Device: computerized intraoperative keratomer

Study type

Interventional

Funder types

Other

Identifiers

NCT01636167

Astigmatism

Details and patient eligibility

About

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

Full 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.

Enrollment

60 patients

Sex

All

Ages

20 to 80 years old

Volunteers

No Healthy Volunteers

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;