AzTrials
AzTrials

Eye StrainNCT06317038

To Evaluate the Performance of Total 30 (Lehifilcon A) Contact Lenses in Patients Using Digital Devices for Greater Than 8 Hours Per Day 5 Days Per Week Based on Subjective Reported Data.

A study testing Total 30 Contact Lens in people with Eye Strain, run by Tauber Eye Center at 1 site in United States.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
Search all trials

Trial summary

To evaluate the performance of Total 30® (lehfilcon A) contact lenses in patients using digital devices for greater than 8 hours per day 5 days per week based on subjective reported data. Read more about this study

Who is it for?
Ages 18 to 40 yearsHealthy volunteers can take part
Conditions the study is for
Eye Strain
What is being tested?
Total 30 Contact Lens
Type of treatment
Medical device
Could I receive a placebo?
No, everyone receives an active treatment
How many people
35 participants
Where
1 siteUnited States
Study dates
31 Mar 2024to 1 Dec 2024
Phase
Interventional
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 40 years
  • All sexes
  • Healthy volunteers accepted
  • Adult

Who may be able to join

  • Adult patients aged 18-40 of any sex and any race.
  • Reports habitually using digital device usage (phone, Ipad, computer, social media, video streaming) for 8 hours or more per day 5 days per week with plans to continue the habit throughout the study.
  • Wearing contact lenses for at least 13 hours daily 5 days per week.
  • Spherical refractive error between -11.00 D and +6.00D with < -0.75 D of astigmatism.
  • Willing to comply with the protocol instructions.
  • Has read (or has had read to), understood, and signed an Informed Consent.
  • Willing to not use any artificial tears, rewetting drops or dry eye treatments during the study.

Who cannot join

  • Active ocular infection or ocular inflammatory disease.
  • Presbyopic or pre-presbyopic that have a measured add power for reading.
  • Current Total 30 contact lens wearer.
  • Anterior basement membrane dystrophy or history of recurrent erosion syndrome or topographical abnormalities that might indicate ectasia or other corneal degenerative conditions.
  • Current or previous diagnosis of dry eye disease; currently using a dry eye treatment including but not limited to artificial tears, rewetting drops or prescription treatments.
  • History of severe / serious ocular pathology or other medical conditions that could result in an inability to safely complete the study.
Show all 10Show fewer
  • Participation by the patient in any other investigational study within the past 30 days.
  • Unlikely to comply with protocol instructions for any reason (confusion, substance abuse, etc.). The Principal Investigator or the Medical Monitor reserves the right to declare a patient ineligible based on medical evidence that indicates the patient is unsuitable for the study.
  • Inability to utilize Clear Care Cleaning solution.
  • Pregnancy

Trial locations and contacts

1 site in 1 country.

United States1 site
  • Tauber Eye Center

    Kansas City, Missouri, 64111

Other trials in United States

About this study

Official title: Performance of TOTAL30 (Lehfilcon A) Contact Lenses in Patients Using Digital Devices and 89814415

To evaluate the performance of Total 30® (lehfilcon A) contact lenses in patients using digital devices for greater than 8 hours per day 5 days per week based on subjective reported data.

Conditions
Eye Strain
Being tested
Total 30 Contact Lens
Keywords
Contact lenses, Digital Devices, Eye Comfort
Medical subject headings
Asthenopia

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Total 30 Contact LensDevice

    Patients will be give a contact lens for 1 month

Study groups in NCT06317038
Study groupRoleWhat they receive
Digital Device uses for 8 hours per dayOtherObservational responses from patients using digital devices for 8 hours per day will be given a monthly Total 30 Contact lens.
Receives: Device: Total 30 Contact Lens

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Likert question about comfort satisfaction while wearing Total 30 contact lenses on a typical day (> 13 hours of daily wear) after 1 month of wear and heavy digital device usage (>8 hours daily wear).

    Likert Questionaire: Strongly Disagree, Disagree, Neither Agree nor Disagree, Agree, Strongly Agree

    Measured: 1 month

Secondary outcomes (3)
  1. Likert responses to insertion comfort and overall vision, and heavy digital device use on a typical day after 1 month of wear.

    Likert Questionaire: Strongly Disagree, Disagree, Neither Agree nor Disagree, Agree, Strongly Agree

    Measured: 1 month

  2. Results of subjective ratings of patients using Total 30 lenses and heavy digital device usage with VAS diary questionnaire.

    VAS diary: scale 0-100 (0=No Discomfort 100= Maximal Comfort)

    Measured: 1 month

  3. Report on total daily wear time and digital device usage.

    Survey: Total number of hours

    Measured: 1 month

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted19 Mar 2024
  2. Study start31 Mar 2024
  3. Primary completion11 Nov 2024
  4. Study completion1 Dec 2024

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Other
Allocation
Not applicable
Intervention model
Single group
Model description
Open label Observation
Masking
None (open label)
Enrolment
35 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT06317038
Sponsor's protocol ID
89814415
Status last verified
Apr 2025
First submitted
12 Mar 2024
Last updated
1 May 2025
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
No: Individual participant data will not be shared.

Questions about this trial

What is this clinical trial studying?

A study testing Total 30 Contact Lens in people with Eye Strain, run by Tauber Eye Center at 1 site in United States.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 7 inclusion and 10 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 1 May 2025. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Likert question about comfort satisfaction while wearing Total 30 contact lenses on a typical day (> 13 hours of daily wear) after 1 month of wear and heavy digital device usage (>8 hours daily wear). (time frame: 1 month). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 1 May 2025.

Free account

Log in to keep searching

You’ve used your 3 free searches. AzTrials is free: log in or create a free account to keep searching clinical trials and save the ones you want to follow.

Create a free accountLog in