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Mitigating Pain Following Refractive Surgery

This study has been completed.
Information provided by:
FORSIGHT Vision3 Identifier:
First received: June 4, 2008
Last updated: June 2, 2009
Last verified: June 2009
Using Contact lens following refractive procedure to reduce pain.


Study Type: Observational
Study Design: Observational Model: Cohort
Time Perspective: Prospective
Official Title: Contact Lens for Mitigating Pain Following Refractive Procedure

Resource links provided by NLM:

Further study details as provided by FORSIGHT Vision3:

Enrollment: 4
Study Start Date: June 2008
Study Completion Date: December 2008
Primary Completion Date: September 2008 (Final data collection date for primary outcome measure)
bilateral post refractive surgery subject

Detailed Description:

Patients at day 1 following the procedure will be treated with a contact lens and assessed for pain at 1,2,4 hours and 1,3,5 days.

prospective comparative study


Ages Eligible for Study:   18 Years to 60 Years   (Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Sampling Method:   Probability Sample
Study Population
at least 10 subjects following refractive surgery

Inclusion Criteria:

  1. Patients who underwent bilateral Refractive surgery for myopic correction.
  2. Age 18-60.
  3. Evidence of an epithelial defect.
  4. Patient complains of significant pain.
  5. Patients able to understand the requirements of the study and willing to follow study instructions, to provide written informed consent to participate, and who agree to comply with all study requirements, including the required study follow-up visits.

Exclusion Criteria:

  1. Any other anterior segment abnormality other than that associated with Refractive surgery.
  2. Any abnormalities associated with the eye lids.
  3. Prior laser treatment of the retina.
  4. Any ophthalmic surgery performed within three (3) months prior to study excluding Refractive surgery.
  5. Diagnosis of glaucoma.
  6. Active diabetic retinopathy.
  7. Clinically significant inflammation or infection within six (6) months prior to study.
  8. Uncontrolled systemic disease (e.g., diabetes, hypertension, etc.) in the opinion of the Investigator.
  9. Participation in any study involving an investigational drug within the past 30 calendar days, or ongoing participation in a study with an investigational material.
  10. Intolerance or hypersensitivity to topical anesthetics,
  11. Specifically known intolerance or hypersensitivity to contact lenses.
  12. A medical condition, serious intercurrent illness, or extenuating circumstance that would significantly decrease study compliance, including all prescribed follow-up.
  13. Any condition that, in the opinion of the investigator, would jeopardize the safety of the patient.
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT00691925

Sorasky Medical Center
Tel Aviv, Israel
Sponsors and Collaborators
Principal Investigator: David Verssano, MD Sorasky Medical Center
  More Information

Responsible Party: Osnat Ehrman, FORSIGHT Identifier: NCT00691925     History of Changes
Other Study ID Numbers: 0164
Study First Received: June 4, 2008
Last Updated: June 2, 2009

Keywords provided by FORSIGHT Vision3:
refractive surgery processed this record on September 21, 2017