Recruiting

Observational Study

Sponsor:

Southern College of Optometry

Code:

NCT06955403

Conditions

Contact Lens Comfort

Eligibility Criteria

Sex: All

Age: 18 - 40

Healthy Volunteers: Accepted

Interventions

Precision 7 contact lenses

Study Details

Brief summary:

Determine the likelihood of successfully refitting a satisfied AOA CL wearers into P7A CLs

Conditions

Contact Lens Comfort

Study ID

NCT06955403

Start date

Apr 15, 2025

Status verified date

Nov, 2025

Completion date

Nov 30, 2025

Anticipated

Primary completion date

Aug 31, 2025

Eligibility Criteria

Eligibility Criteria

Sex: All

Age: 18 - 40

Healthy Volunteers: Accepted

• Inclusion Criteria: Adults, 18- to 40-year-old, AOA CL wearers with best-corrected 20/20 visual acuity or better.

  • Participants will be required to have worn AOA CLs for at least 3 months in the past year and currently wearing these CLs.
  • All participants will be required to have a CLDEQ-8 score <12 while wearing their habitual CLs (AOA CLs) and to indicate that they are satisfied with AOA CLs (Yes/No).
  • Participants will be required to be able to wear P7A CLs (astigmatism ≥0.75D OD/OS).
  • Astigmatism ranging from 0.75 D to 2.50 D in each eye
  • Participants will be required to wear the study CLs for ≥13 hours with no overnight wear
  • Participants will be willing to wear the CL every day of the week, except during the washout period
  • Participants will be required to provide a glasses prescription that is less than 3 years old
  • \-
  • Exclusion Criteria:
  • \- Have presbyopia and/or need a reading add as determined during their initial manifest refraction
  • Have worn P7A in the past
  • Are past rigid CL wearers
  • Have a history of being diagnosed with dry eye or ocular allergies
  • Have known systemic health conditions that are thought to alter tear film physiology
  • Have a history of viral eye disease
  • Have a history of ocular surgery
  • Have a history of severe ocular trauma
  • Have a history of corneal dystrophies or degenerations
  • Have active ocular infection or inflammation
  • Are currently using isotretinoin-derivatives or ocular medications
  • Are pregnant or breast feeding

Study Design

Enrollment

40 participants

Anticipated

Intervention Model

Single group

Primary purpose

Treatment

Interventions and Outcome Measures

Arms

experimental: PRECISION7

Determine the likelihood of successfully refitting a satisfied Acuvue Oaysis Contact Lens wearers into P7A CLs.

Interventions

Precision 7 contact lenses

Acuvue Oaysis contact lens wearers have will be refit into precision 7 contact lenses.

Primary outcome measure

  • Likert questionnaire [ Time Frame: 1 week ]

Central Contacts and Locations

Central contacts

Chris Lievens, OD

9014815699clievens@sco.edu

Locations

The Southern College of Optometry

Recruiting

Memphis, Tennessee, United States, 38104

Contacts

Chris Lievens, OD

9014815699clievens@sco.edu

More Information

Sponsor

Southern College of Optometry

Last update posted

Nov 26, 2025

Last verified

Nov, 2025

Trial information was received from ClinicalTrials.gov and was last updated on 2026-09-10. This information was provided to ClinicalTrials.gov by Southern College of Optometry on 2025-11-26.