The patients with confirmed diagnosis of blepharospasm, who undergo botulinum toxin A treatment in botulinum toxin clinic. Department of Ophthalmology, King Chulalongkorn Memorial Hospital Botulinum toxin, Blepharospasm, Pain, Tetracaine
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Patients of age more than 18 years 2. Diagnosed with Blepharospasm both eye by experienced neuro-ophthalmologists 3. Received the latest BoNT-A injection for more than 3 months
Exclusion criteria
Exclusion criteria: 1. Allergic reaction to Botulinum toxin type A 2. Neuromuscular diseases 3. Any active infection in treatment area 4. Receiving anticoagulants 5. Diagnosed with bleeding disorders 6. Patients undergone prior facial cosmetic surgical procedure, such as eyebrow lift and others periorbital surgery 7. Patients with psychological disease 8. Patients with different severity of Blepharospasm
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Pain score After finish intervention a numeric rating scale (NRS) | — |
Secondary
| Measure | Time frame |
|---|---|
| Complication after application tetracaine eye drops as a topical skin anesthesia After finish intervention 30 min Assess complication after application tetracaine eye drops as a topical skin anesthesia | — |
Countries
Thailand
Contacts
King Chulalongkorn Memorial Hospital