Differences in Dry Eye Symptoms Related to Geographic Location in Spain and Impact of Artificial Tears Use

NCT06499753 | Completed

• 1 other identifier: UVaGiO-PI201606
• Study Type: observational
• Target: 1,033
• Locations: 1 country
• Sites: 1

Brief Summary

This study assessed the differences in DED symptomatology measured with the OSDI questionnaire regarding climate data of the geographic location in a large population in Spain, with a special focus on the relative humidity (RH) of the place of residence and the impact of artificial tears use, to help eye care practitioners in patient management and education

Conditions

Dry Eye Syndromes; Hyaluronic Acid; OSDI

Outcome Measures

Primary Outcomes (1)

• OSDI Score

  Change in the Ocular Surface Disease Index (OSDI) score ranged from 0 (asymptomatic) to 100 (severe dry eye)

  three months

Interventions

high molecular weight HA-based artificial tears OTHER

use of high molecular weight HA-based artificial tears three times per day

Eligibility Criteria

• Age: 18 Years - 90 Years
• Sex: all
• Healthy Volunteers: Yes
• Age Groups: Adult (18-64), Older Adult (65+)
• Sampling Method: Non-Probability Sample

Study Population

Health 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 of each center

You may not qualify if:

• Hyperthyroidis
• Rheumatism
• Lupus
• Autoimmune disease
• Previous diagnosis of Dye Eye Disease
• Cicatricial conjunctivitis
• Pterygium
• Eyelid trichiasis
• History of any eye medication use in the last 3 months to treat any eye condition (glaucoma, etc.)
• Active anterior eye inflammation (such as blepharitis, conjunctivitis, keratitis, scleritis, uveitis, etc.)
• Use of contact lenses in the last 3 months
• Previous ocular trauma or surgery in the last 6 months.

Sponsors & Collaborators

• University of Valladolid: lead

Study Sites (1)

IOBA Eye Institute

Valladolid, 47011, Spain

Location

MeSH Terms

Conditions

Dry Eye Syndromes

Condition Hierarchy (Ancestors)

Lacrimal Apparatus Diseases; Eye Diseases

Study Officials

• Raul Martin, PhD

  IOBA Eye Institute

  PRINCIPAL INVESTIGATOR

Study Design

• Study Type: observational
• Observational Model: COHORT
• Time Perspective: PROSPECTIVE
• Target Duration: 3 Months
• Sponsor Type: OTHER
• Responsible Party: PRINCIPAL INVESTIGATOR
• PI Title: PhD

Study Record Dates

• First Submitted: July 5, 2024
• First Posted: July 12, 2024
• Study Start: February 1, 2020
• Primary Completion: November 30, 2020
• Study Completion: January 31, 2022
• Last Updated: July 17, 2024

Record last verified: 2024-07

Data Sharing

• IPD Sharing: Will not share

Locations

ES (1)