Status:
COMPLETED
Corneal Astigmatism Measurement Study
Lead Sponsor:
Alcon Research
Conditions:
Astigmatism
Eligibility:
All Genders
50+ years
Brief Summary
To assess which commercially available measurement device is most accurate in measuring low (\< 1.0 D) degrees of corneal astigmatism.
Eligibility Criteria
Inclusion
- 50 years of age and older
- Proof of eye exam within the last 3 months
- Corneal astigmatism of \<1.0 diopter
Exclusion
- Prior history of refractive or corneal surgery
- Corneal trauma/disease
- Intraocular surgery
Key Trial Info
Start Date :
December 1 2008
Trial Type :
OBSERVATIONAL
Allocation :
ACTUAL
End Date :
April 1 2009
Estimated Enrollment :
50 Patients enrolled
Trial Details
Trial ID
NCT00818532
Start Date
December 1 2008
End Date
April 1 2009
Last Update
April 9 2012
Active Locations (1)
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1
Alcon Call Center for Trial Locations
Fort Worth, Texas, United States, 76134