Effectiveness of COVID-19 pre-operative protocol to prevent in-hospital transmission among healthcare personnel and patients undergoing elective cataract surgery under local anesthesia

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

TCTR

Registry ID

TCTR20210603002

Enrollment

120

Registered

2021-06-03

Start date

2020-05-01

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

The patients had severe visual impairment due to cataract Health care personnel Cataract surgery, COVID-19, Pre-operative SARS-CoV-2 screening, pool PCR testing

Interventions

Pool PCR test questionnaires,Pool PCR test questionnaires, questionnaires

Screening,Screening,Screening

two times point PCR test and questionnaires,one time point PCR test and questionnaires, questionnaires

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1. The health care personnel included ophthalmologists, nurses, and nurse assistants in the ophthalmology out-patient clinic, in-patient ophthalmology ward, and operation room 2. The patients had severe visual impairment due to cataract

Exclusion criteria

Exclusion criteria: 1. Any abnormal sign or symptom consistent of COVID-19 2. Positive SARS-CoV-2 test

Design outcomes

Primary

Measure	Time frame
the incidence rate of COVID-19 infection one weeks after the end of the study positive rRT-PCR from nasopharyngeal-throat swabs	—

Secondary

Measure	Time frame
the incidence rate of COVID-19 infection two weeks after the end of the study SARS-CoV-2 IgG seroconversion	—

Countries

Thailand

Contacts

Public ContactPloysai Rujkorakarn

Mahasarakham University

ploysai.r@msu.ac.th6643021021

Outcome results

None listed

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