Construction of Computerized Intraoperative Keratometer and Experimental Study

Status

Completed

Phases

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT01636167

Enrollment

Registered

2012-07-10

Start date

2011-07-31

Completion date

2012-05-31

Last updated

2012-07-10

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Corneal Astigmatism, Orientation

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.

Interventions

DEVICEcomputerized intraoperative keratomer

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

Study design

Allocation

Intervention model

SINGLE_GROUP

Primary purpose

HEALTH_SERVICES_RESEARCH

Masking

NONE

Eligibility

Sex/Gender

ALL

Age

20 Years to 80 Years

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;

Design outcomes

Primary

Measure	Time frame
axis of astigmatism	day 1

Secondary

Measure	Time frame
axis of implantation	day 1

Countries

China

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026