Impact of the COVID-19 lockdown on dry eye

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

TCTR

Registry ID

TCTR20200709002

Enrollment

144

Registered

2020-07-09

Start date

2020-06-21

Completion date

Unknown

Last updated

2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

dry eye dry eye COVID&#45

Interventions

healthy volunteers,dry eye patients who are diagnosed with dry eye by clinicians

Prevention,Prevention

normal,dry eye

Eligibility

Sex/Gender

All

Age

18 Years to 80 Years

Inclusion criteria

Inclusion criteria: 1. age 18-80 years old 2. able to understand and communicate the Thai language 3. willing to comprehend with the questionnaire

Exclusion criteria

Exclusion criteria: 1. people who are not willing to answer the questionnaire 2. unable to understand Thai

Design outcomes

Primary

Measure	Time frame
dry eye symptoms before and during COVID-19 lockdown situation ocular surface symptom questionnaire	—

Secondary

Measure	Time frame
screen time before and during COVID-19 lockdown situation screen time questionnaire	—

Countries

Thailand

Contacts

Public ContactPinnita Prabhasawat

Department of Ophthalmology, Faculty of Medicine Siriraj Hospital, Mahidol University

pinnita.pra@mahidol.ed+6624198037

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026