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Corneal Topographer Fluorescein Patterns

Information source: University of Iowa
ClinicalTrials.gov processed this data on August 20, 2015
Link to the current ClinicalTrials.gov record.

Condition(s) targeted: Keratoconus

Intervention: Comparison of fluorescein patterns (Other)

Phase: N/A

Status: Recruiting

Sponsored by: University of Iowa

Official(s) and/or principal investigator(s):
Christine W. Sindt, OD, Principal Investigator, Affiliation: University of Iowa

Overall contact:
Christine W Sindt, OD, Phone: 319-356-4816, Email: christine-sindt@uiowa.edu


The objective of this study is to determine if corneal topography can be used to predict the fluorescein pattern of keratoconus lenses on the eye. A corneal topography image will be taken and the computer selected lens will be placed on the eye. After placement of the lens color photographs will be taken of the eye's fluorescein pattern and compared to the computer predicted pattern.

Clinical Details

Official title: Objective and Subjective Correlation Between Clinical Fluoroscein Patterns and Theoretical Patterns Using the Medmont Corneal Topographer

Study design: Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Supportive Care

Primary outcome: There will be no inter-patient comparison. Bearing and elevation fluorescein patterns will be compared between the actual (photo) and theoretical (computer generated) fluorescein patterns.

Secondary outcome: Improved comfort

Detailed description: Subject population: keratoconus patients who have not undergone corneal surgery 100 subjects who come to UIHC for their contact lens care. We will approach them at their visit. We will not call potential participants from a database. If topography is impossible to capture. Concommitant Corneal Disease Minors will be excluded


Minimum age: 18 Years. Maximum age: N/A. Gender(s): Both.


Inclusion Criteria: 18yrs of age or older diagnosis of keratoconus contact lens wearer Exclusion Criteria: Concommittant corneal disease or surgery Inability to capture topography measurement

Locations and Contacts

Christine W Sindt, OD, Phone: 319-356-4816, Email: christine-sindt@uiowa.edu

University of Iowa Hospitals and Clinics - Dept. of Ophthalmology, Iowa City, Iowa 52242, United States; Recruiting
Christine W Sindt, OD, Principal Investigator
Additional Information

Starting date: November 2007
Last updated: December 21, 2007

Page last updated: August 20, 2015

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