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Note: This record shows only 22 elements of the WHO Trial Registration Data Set. To view changes that have been made to the source record, or for additional information about this trial, click on the URL below to go to the source record in the primary register.

Register:	ClinicalTrials.gov
Last refreshed on:	19 February 2015
Main ID:	NCT00818532
Date of registration:	06/01/2009
Prospective Registration:	No
Primary sponsor:	Alcon Research
Public title:	Corneal Astigmatism Measurement Study
Scientific title:
Date of first enrolment:	December 2008
Target sample size:	50
Recruitment status:	Completed
URL:	http://clinicaltrials.gov/show/NCT00818532
Study type:	Observational
Study design:	Time Perspective: Prospective
Phase:	N/A

Countries of recruitment
United States

Contacts

Key inclusion & exclusion criteria

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

Age minimum: 50 Years
Age maximum: N/A
Gender: Both

Health Condition(s) or Problem(s) studied

Astigmatism

Intervention(s)

Primary Outcome(s)

Measurement of corneal power [Time Frame: Day 1]

Secondary Outcome(s)

Secondary ID(s)

P-08-04

Source(s) of Monetary Support

Please refer to primary and secondary sponsors

Secondary Sponsor(s)

Ethics review

Results

Results available:
Date Posted:
Date Completed:
URL:

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