OM t of c.iii - Vision Research Coordinating Center - Washington ...

2/1/99 Chapter 5 Scheduling page 5-3
Corneal and fluorescein photography are performed according to the protocols
outlined in Chapters 10 and 11 of this Operations Manual, and the exposed film is
mailed within 24 hours of exposure to:
CLEK Photography Reading Center
c/o Dr. Joseph Barr
The Ohio State University College of Optometry
338 West Tenth Avenue
Columbus, Ohio 43210
(614) 292-9511
FAX (614) 688-3285
Mailers are provided by the CLEK Photography Reading Center.
In all Clinics with TMS devices, corneal topography is performed, and floppy
disks with stored video files are sent to:
CLEK Study Chairman’s Office
c/o Dr. Karla Zadnik
The Ohio State University
College of Optometry
338 West Tenth Avenue
Columbus, OH 43210-1240
(614) 292-6603
Fax (614) 292-4705
In all Clinics without TMS devices, videokeratographic raw data are collected
and stored on-site at the Participating Clinic.
5.5 Annual (Follow-up) Visits
Annual Visits are scheduled using the Baseline Visit date as the reference point,
according to the schedule provided by the Coordinating Center. Three Annual Visits
are scheduled at the end of year 1, year 2, and year 3, for a total of at least four
measurement sessions per patient. The protocol for Annual Visits is identical to that for
the Baseline Visit.
5.6 Repeat Visits
Ten patients per Participating Clinic are selected randomly by the Coordinating
Center for repeat visits to evaluate the reproducibility of CLEK Study measurement
techniques and protocols. Participating Clinics are notified by the Coordinating Center
immediately following a patient’s Baseline Visit that the patient should return within 2