Using blinking to measure Parkinson's symptoms
Researchers are using a high-speed camera and computer analysis to investigate whether blinking reflects movement symptoms.
Learning by observing or collecting information · Study reference: TCTR20190817003
Plain-language introduction written with AI from the registry; not independently checked by a clinician. Read the original details below ↓
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- Start (reported date)
- 2019-08-22
- Study finished (reported date)
- 2021-01-31
Planned dates can move. A study finishing does not tell us when a paper will be published.
No results summary has been confirmed in the registry records we imported. See connected papers below; we keep checking after recruitment ends.
Changes we have recorded
- 2026-10-11 — recruiting
These are dates we observed a change, not necessarily the dates it happened.
Papers connected to this study
No connected paper has been found yet. The tracker checks the growing library for study identifiers and registry-linked publications.
Who can join?
Ages 18 years to 80 years · Ask the team who can join
These are starting points, not the full rules. The research team can tell you whether the study is right for your situation.
Read all the rules for taking part
Sex eligibility reported by registry: both
Full study name & original research details
Official study title
A non-invasive method to analyze spontaneous blink using high-speed camera and machine learning approach
Original description
Conditions reported: Normal healthy volunteers Dry eye syndrome Facial Paralysis BlepharospasmParkinson's disease Normal healthy volunteers Dry eye syndrome Facial Paralysis Blepharospasm Parkinson's disease;Normal healthy volunteers Dry eye syndrome Facial Paralysis Blepharospasm Parkinson's disease
Registry records for this study
Records are joined using registration identifiers. Titles alone do not establish that two studies are the same.
- TCTR · TCTR20190817003 ↗ — Recruiting; WHO ICTRP processed 2026-08-03; checked 2026-10-13
- Study type
- Observational
- Interventions
- 90 subjects without eye diseases that affect blinks 1.1) Age 18-39 y, 30 subjects 1.2) Age 40-59 y, 30 subjects 1.3) Age 60-80 y, 30 subjects,e.g. Parkinson's disease, blepharospasm 30 subjects,30 subjects with clinical diagnosis of facial paralysis,30 subjects with clinical diagnosis of dry eyes;Other,Other,Other,Other;Normal healthy volunteers,Other neurological disorders that affect blink,Facial Paralysis,Dry eye syndrome
- Phases
- Phase 1/Phase 2
- Sponsor
- Faculty of Medicine Siriraj Hospital, Mahidol University
- Start date reported by registry
- 2019-08-22 (reported)
Registry updated: Not reported · Status last verified by the registry submitter: Not reported
Registry records retrieved 2026-10-13 (UTC). Individual records may have older updates. Recruitment and eligibility must be confirmed with the study team.
Contact the research team
Public study contacts supplied to the registry. Ask whether recruitment is still open and what participation involves.
Pimkwan Jaru-ampornpan · 0944199164 · pimkwan.jar@mahidol.edu
Study locations
Site status can differ from overall study status. “Status not reported” means local availability needs confirmation. Remote participation and travel arrangements must be checked with the team.
Facility not reported
Thailand
Status not reportedThe original descriptions and participation rules come from the registry. Participation is voluntary and does not guarantee benefit.