A Phase 4 interventional study of Questionnaire and Physical Exam in Keratoconus and Corneal Ectasia, sponsored by Stanford University. Not yet recruiting at 1 site in United States. Open to participants aged 18 Years to 85 Years. Per ClinicalTrials.gov, last updated 2026-04-24.
Sponsored by Stanford University · Phase 4, Interventional, and Other
Measuring quality of vision and quality of life outcomes using a validated questionnaire in participants undergoing CTAK surgery for corneal ectasia
The investigators are measuring self-reported quality of vision and quality of life outcomes in participants undergoing CTAK surgery for corneal ectasia
313 studies on the registry are indexed under Keratoconus; 56 are open to participants now.
This study's planned enrollment of 100 is above the median of 40 across 205 interventional studies indexed under Keratoconus.
Browse Keratoconus studies →Stanford University is the lead sponsor of 2,168 studies on the registry; 431 are open to participants now.
Of its 267 completed or terminated interventional studies of FDA-regulated products, 207 (78%) have results posted.
Counted across the registry records on this site, refreshed daily.
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Exclusion Criteria:
All subjects will complete preoperative and postoperative questionnaires
Behavioral: Questionnaire and Physical Exam
Patient reported outcomes of CTAK surgery
Questionnaire
Preoperative and postoperative questionnaire
Time frame: One year
Plan to share: Undecided
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This study is not yet recruiting, as verified in Apr 2026. You cannot join it, but the record below documents what was studied.
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