the patients diagnoesd with primary pterygium who have surgical indications at Uthaithani Hospital. pterygium
Conditions
Interventions
Tetracaine group : instill 0.5% Tetracaine drops (1 drop every 5 minutes for 3 times ) and instill artificial tear gel 0.5 ml , for 5 minutes . Re administer Tetracaine drops and artificial tear gel
Active Comparator Drug,Active Comparator Drug
Tetracaine ,Lidocaine gel
Sponsors
Uthaithani Hospital
Eligibility
Sex/Gender
All
Age
20 Years to 75 Years
Inclusion criteria
Inclusion criteria: 1. patients aged 20-75 years 2. patients diagnosed with pterygium at Uthaithani hospital. 3. patient who have surgical indications Indications for Surgery. 1. reduce vision 2.obstruct sight 3.frequent irritation 4. limits eye movement 5.cosmetic concern
Exclusion criteria
Exclusion criteria: 1. recurrent pterygium 2. bi head pterygium 3. patient with known allergy to lidocaine or tetracaine 4. dementia , mental instability 5. patient who are on regular pain medication
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| level of pain during and after pterygium excision with autograft 2hours and 30 minutes Numerical Rating Scale | — |
Secondary
| Measure | Time frame |
|---|---|
| level of pain during the initial application of the topical anesthetic agent 1 minute Numerical Rating Scale,number of additional tetracaine eye drops required as pain during the surgery 30 minutes number eyedrop,corneal fluorescein staining 2 minutes Oxford scale,patient satisfaction 5 minute metric,complication related to use topical anesthetic agent 2 weeks complication of topical anesthetic agent | — |
Countries
Thailand
Contacts
Public ContactSiwaporn Pavasupree
Uthaithani Hospital
Outcome results
None listed