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Qualitative Validation of Patient-Reported Outcomes (PRO) Instrument

Qualitative Patient Interviews to Develop a Patient-Reported Outcomes (PRO) Instrument to Assess Visual Symptoms in KAMRA® Inlay Patients

Status
Completed
Phases
Unknown
Study type
Observational
Source
ClinicalTrials.gov
Registry ID
NCT03536715
Enrollment
22
Registered
2018-05-25
Start date
2016-06-01
Completion date
2017-06-22
Last updated
2018-05-25

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Patient-Reported Outcomes (PRO)

Brief summary

The purpose of this study is to conduct concept elicitation and cognitive debriefing interviews with patients who have been implanted with the KAMRA inlay in order to assess the content validity of a PRO instrument

Interventions

None listed

Sponsors

AcuFocus, Inc.
Lead SponsorINDUSTRY

Study design

Observational model
OTHER
Time perspective
PROSPECTIVE

Eligibility

Sex/Gender
ALL
Age
45 Years to 60 Years
Healthy volunteers
Yes

Inclusion criteria

1. Minimum 45 years of age, maximum age 60 years; 2. Subject has been implanted with the KAMRA inlay; 3. Subject is in good general health, as evidenced by medical history; 4. Subject is willing and able to attend and participate in the interviews and demographic questionnaire (fluent in U.S. English); and 5. Signed informed consent document.

Exclusion criteria

1. Subject has severe neurological or cognitive deficits or an uncontrolled psychiatric condition that might affect their ability to participate in the interview; 2. Subject has insufficient ability to read or write that would prevent them from completing a questionnaire without help; 3. Subject is not a fluent speaker of U.S. English; or 4. Subject is unable to attend the interview.

Design outcomes

Primary

MeasureTime frameDescription
PRO instrument6 monthsDevelop PRO instrument that will assess KAMRA inlay-related visual symptoms and to establish the content validity of that PRO instrument.

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026