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Dry eye in Hemifacial spasm patients before and after treated with Botulinum toxin type A

Dry eye in Hemifacial spasm patients before and after treated with Botulinum toxin type A

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
TCTR
Registry ID
TCTR20130627001
Enrollment
Unknown
Registered
2013-06-27
Start date
2013-06-04
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

Hemifacial spasm pateints Botulinum toxin type A&#44

Interventions

None listed

Sponsors

Ratchadapiseksompotch Research Fund
Lead Sponsor
Ratchadapiseksompotch Research Fund
Collaborator

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: - Hemifacial spasm patients who are diagnosed by neuroophthalmologist and have indicated to treatment with botulinum toxin type A injection (single technique) - Age >18 yrs

Exclusion criteria

Exclusion criteria: - Eye lid diseases, for examples entropion, ectropion, etc.

Design outcomes

Primary

MeasureTime frame
To determine differentiation between dry eye syndrome in hemifacial spasm patients bef 3 months To determine differentiation between dry eye syndrome in hemifacial spasm patients bef—

Secondary

MeasureTime frame
1. To compare the prevalence of dry eye syndrome between affected and unaffected eye in hemifaci 3 months 1. To compare the prevalence of dry eye syndrome between affected and unaffected eye in hemifaci,2. To compare dry eye syndrome in the affected eye before and after treatment with botulinum toxi 3 months 2. To compare dry eye syndrome in the affected eye before and after treatment with botulinum toxi—

Contacts

Public ContactNattakarn Chatwichaikul

Department of ophthalmology, Faculty of medicine, Chulalongkorn

iamai_036@hotmail.com089-610-0393

Outcome results

None listed

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