NCT06505174

Brief Summary

This study assessed the effect of one month of use of preservative-free artificial tears (Systane Ultra UD, Alcon) on symptomatology related to digital eye strain (DES), visual task performance, and tear film stability in visual display terminal users.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
34

participants targeted

Target at P25-P50 for all trials

Timeline
Completed

Started Jan 2023

Shorter than P25 for all trials

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

January 10, 2023

Completed
7 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

July 31, 2023

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

July 31, 2023

Completed
12 months until next milestone

First Submitted

Initial submission to the registry

July 10, 2024

Completed
7 days until next milestone

First Posted

Study publicly available on registry

July 17, 2024

Completed
Last Updated

July 17, 2024

Status Verified

July 1, 2024

Enrollment Period

7 months

First QC Date

July 10, 2024

Last Update Submit

July 10, 2024

Conditions

Outcome Measures

Primary Outcomes (2)

  • OSDI Score

    Change in OSDI score

    One month

  • CVSS17 Score

    Change in CVSS17 score

    One month

Study Arms (1)

Use of hydroxypropyl Guar-based artificial tears four times per day

Use of hydroxypropyl Guar-based artificial tears four times per day

Other: Hydroxypropyl Guar-based artificial tears four times per day

Interventions

Use of hydroxypropyl Guar-based artificial tears four times per day

Use of hydroxypropyl Guar-based artificial tears four times per day

Eligibility Criteria

Age18 Years - 55 Years
Sexall
Age GroupsAdult (18-64)
Sampling MethodNon-Probability Sample
Study Population

Healthy Volunteers

You may qualify if:

  • Volunteer subjects of legal age will be included who agree to participate in the study after being informed by the researcher, receiving the information sheet and signing the informed consent.
  • Eye discomfort related to dryness (OSDI score ranged from 13 to 24)
  • Symptomatic digital device users (CVSS17 score ranged from 29 to 42 points - stages 3 and 4)
  • Use of computer continuously for at least 4 hours per day (work week)
  • Good best-corrected visual acuity (Visual acuity LogMar ≤ 0.00 for distance, intermediate (60cm) and near (40cm))

You may not qualify if:

  • Systemic administration of drugs with a possible effect on the ocular surface.
  • Topical administration of any drugs that can alter the ocular surface.
  • Use of contact lenses
  • Any other ocular pathology or binocular conditions which may cause discomfort (e.g. heterophoric, accommodative, and eye movement disorders)

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

IOBA Eye Institute

Valladolid, 47011, Spain

Location

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
PROSPECTIVE
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
PhD

Study Record Dates

First Submitted

July 10, 2024

First Posted

July 17, 2024

Study Start

January 10, 2023

Primary Completion

July 31, 2023

Study Completion

July 31, 2023

Last Updated

July 17, 2024

Record last verified: 2024-07

Data Sharing

IPD Sharing
Will not share

Data will be available by reasonable request to PI

Locations