Last reviewed · How we verify
NCT04744805
Mask-associated Dry Eye Symptoms in China
trial testing face mask or not in Dry Eye Syndromes in 6,262 participants. Status unknown.
5 February 2021
Quick facts
| Lead sponsor | Tianjin Eye Hospital |
|---|---|
| Status | Status unknown |
| Study type | OBSERVATIONAL |
| Enrollment | 6,262 |
| Start date | 29 January 2021 |
| Primary completion | 5 February 2021 |
| Estimated completion | 6 February 2021 |
Drugs / interventions tested
- face mask or not
Conditions studied
- Dry Eye Syndromes — all drugs for Dry Eye Syndromes →
Sponsor
Tianjin Eye Hospital
Who can join
Adults 6 to 80, any sex, with Dry Eye Syndromes. Patients with the condition only — healthy volunteers not accepted.
Sponsor's own description
To review the relationship of increased face mask usage arising from lockdown measures instituted during the COVID-19 pandemic with dry eye symptoms on Chinese people, and make recommendations for mitigating potential detrimental effects on dry eye symptoms.
Publications & conference data
1 peer-reviewed publication reference this trial (live from Europe PMC):
-
Wearing face masks and possibility for dry eye during the COVID-19 pandemic.
Fan Q, Liang M, Kong W, Zhang W, et al · · 2022 · cited 19× · PMID 35418586 · DOI 10.1038/s41598-022-07724-0
Verify or expand the search:
- PubMed search for NCT04744805
- Europe PMC full search
- ASCO Meeting Library
- ESMO Meeting Library
- bioRxiv preprints
- medRxiv preprints
- Google Scholar
Related trials
Other recruiting trials for Dry Eye Syndromes
Currently open trials in the same condition.
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- NCT06913504 — Comparison Of Blue Light Filter Feature and Blue Blocking Lenses in Digital Device Users With Dry Eye Patients · NA · active not recruiting
- NCT06913465 — The Impact of Hypothyroidism on Tear Production and Dry Eye Symptoms: Implications for Optometric Care · active not recruiting
- NCT06831253 — Efficacy of Platelet-Rich Plasma Injection in Dry Eye Syndrome · NA · recruiting
- NCT06220474 — Therapeutic Efficacy and Safety of Non-Invasive RF Treatment in Refractory MGD · NA · recruiting
Other Tianjin Eye Hospital trials
Trials by the same sponsor.
- NCT07518316 — Factors Influencing Subjective Visual Quality in Human Eyes · NA · not yet recruiting
- NCT06993077 — Impact of Ultraviolet Radiation and Environmental Factors on Human Ocular Biomechanics · active not recruiting
- NCT06694051 — Application of Phototherapeutic Keratectomy Mode to Mark the Axis of Astigmatism · NA · recruiting
- NCT07244276 — Comparison of Compressed Continuous Suture and Conventional Suture in Pterygium Surgery · NA · recruiting
- NCT07171710 — Efficacy of 0.05% Cyclosporine A Eye Drops Combined With Absorbable Tear Duct Plugs in the Treatment of Dry Eye in Sjögr · NA · enrolling by invitation
Verify against primary sources
- ClinicalTrials.gov — authoritative US registry record
- WHO ICTRP — international registry index
- EU Clinical Trials Register
- Sponsor press releases (Google)
- Trial protocol + status: ClinicalTrials.gov NCT04744805 (US National Library of Medicine, public domain)
- Publications: Europe PMC API search by NCT ID, retrieved 10 June 2026
- Drug + disease cross-links: matched in real time against Drug Landscape's normalised drug + company + condition tables
- Sponsor: as reported to ClinicalTrials.gov by Tianjin Eye Hospital
- Last refreshed: 9 February 2021
Drug Landscape aggregates and links these public records for informational use only. Always verify against the primary source before clinical or regulatory decisions. Canonical URL: https://druglandscape.com/trial/NCT04744805.
Primary sources · FDA · ClinicalTrials.gov · EMA · SEC EDGAR · ChEMBL · Wikidata · full sourcing