Corneal Astigmatism Measurement Study

Sponsor

Alcon Research (Industry)

Overall Status

Completed

CT.gov ID

NCT00818532

Collaborator

(none)

Enrollment

Location

Duration (Months)

12.6

Patients Per Site Per Month

Study Details

Study Description

Brief Summary

To assess which commercially available measurement device is most accurate in measuring low (< 1.0 D) degrees of corneal astigmatism.

Condition or Disease	Intervention/Treatment	Phase
Astigmatism

Study Design

Study Type:

Observational

Actual Enrollment :

50 participants

Time Perspective:

Prospective

Study Start Date :

Dec 1, 2008

Actual Primary Completion Date :

Apr 1, 2009

Actual Study Completion Date :

Apr 1, 2009

Arms and Interventions

Arm	Intervention/Treatment
1 Measurement device

Outcome Measures

Primary Outcome Measures

Measurement of corneal power [Day 1]

Eligibility Criteria

Criteria

Ages Eligible for Study:

50 Years and Older

Sexes Eligible for Study:

All

Accepts Healthy Volunteers:

Yes

Inclusion Criteria:

50 years of age and older
Proof of eye exam within the last 3 months
Corneal astigmatism of <1.0 diopter

Exclusion Criteria:

Prior history of refractive or corneal surgery
Corneal trauma/disease
Intraocular surgery

Contacts and Locations

Locations

	Site	City	State	Country	Postal Code
1	Alcon Call Center for Trial Locations	Fort Worth	Texas	United States	76134

Sponsors and Collaborators

Alcon Research

Investigators

None specified.

Study Documents (Full-Text)

None provided.

More Information

Publications

None provided.

Responsible Party:

Alcon Research

ClinicalTrials.gov Identifier:

NCT00818532

Other Study ID Numbers:

P-08-04

First Posted:

Jan 7, 2009

Last Update Posted:

Apr 9, 2012

Last Verified:

Jul 1, 2009

Keywords provided by Alcon Research

Corneal astigmatism

Low diopter

Corneal measurement

Corneal astigmatism < 1 Diopter

Additional relevant MeSH terms:

Astigmatism

Study Results

No Results Posted as of Apr 9, 2012