Optical Coherence Tomography Guided Transepithelial Phototherapeutic Keratectomy

Recruiting now · Not applicable

Conditions studied: Corneal Opacity

In brief

Optical Coherence Tomography (OCT) machines are non-contact instruments that can measure the depth of scars and other causes of cloudiness in the front of the cornea. The purpose of this study is to determine whether OCT-guided settings for the lasers used for removal of corneal scars and other partial-thickness corneal defects result in improved vision in patients receiving these procedures.

Key facts

Study ID

NCT01243931

Run by

Oregon Health and Science University

People needed

80

Starts

2011-06-01

Expected to finish

2026-12-01

Last updated by the study team

2024-02-12

Who can join

Age: 18 and older. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Patients with vision primarily limited by superficial opacities and irregularities that could be removed by PTK while leaving at least 250 µm.

You may not qualify if…

• Inability to give informed consent
• Inability to maintain stable fixation for OCT imaging
• Inability to commit to required visits to complete the study
• Deep corneal opacities and irregularities
• Cataracts, retinal disease, glaucoma, or other eye conditions that may limit the visual outcome after surgery

Where it is running

• Casey Eye Institute, Oregon Health & Science University — Portland, Oregon, United States (enrolling)

Full record on ClinicalTrials.gov

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