Alterations in tear film and wavefront parameters associated with different types of disposable surgical masks in healthcare personnel during working hours
Recruiting
- Conditions
- 18 years old or older no dry eye disease or mild dry eye with no need of medication not pregnancy or lactationDry eye, Mask-associated dry eye syndrome, Covid-19
- Registration Number
- TCTR20230725002
- Lead Sponsor
- Rajavithi hospital
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Recruiting
- Sex
- All
- Target Recruitment
- 60
Inclusion Criteria
Rajavithi hospital healthcare personnel
18 years old or older
6 accumulative working hours
welling for enrollment
no dry eye disease or mild dry eye with no need of medication
Exclusion Criteria
pregnancy or lactation
other ocular disease such as retinal detacment
contact lens use
ocular surgery in previous 4 weeks
ocular medication use such as glaucoma medication
Study & Design
- Study Type
- Observational
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method dry eye parameters between 3 types of mask 9AM before 6 accumulative working hours and 4PM after woring hours 1.Non-invasive Tear breakup time test (NIBUT) by keratograph 2.Bulbar redness by keratograph 3.Anterior segment OCT for tear 4.Corneal topography
- Secondary Outcome Measures
Name Time Method dry eye parameters between before and after working hours 9AM before 6 accumulative working hours and 4PM after woring hours 1.Non-invasive Tear breakup time test (NIBUT) by keratograph 2.Bulbar redness by keratograph 3.Anterior segment OCT for tear 4.Corneal topography