Condition 1: Pterygium. Condition 2: Symblepharon. Pterygium Conjunctival scars
Conditions
Interventions
Intervention 1: study group: lidocaine-cyclodextrin 1% ophthalmic drop, 5 drops and 10 min before the intervention (pterygium, symblepharon, dysport injection, forced duction test). Intervention 2: co
Treatment - Drugs
study group: lidocaine-cyclodextrin 1% ophthalmic drop, 5 drops and 10 min before the intervention (pterygium, symblepharon, dysport injection, forced duction test)
control group: tetracaine hydrochloride ophthalmic drop, 5 drops and 10 min before the intervention (pterygium, symblepharon, dysport injection, forced duction test)
Sponsors
Vice chancellor of research, Mashhad university of medical sciences
Eligibility
Sex/Gender
All
Age
15 Years to 65 Years
Inclusion criteria
Inclusion criteria: Inclusion criteria: patients who are candidate to limited ocular inventions; aged from 15 to 65 years; cooperative psychologically for topical anesthesia Exclusion criteria: another corneal pathology at the same time that make the surgery difficult; positive alergic history to anesthetics; aged beneath 15 or above 65 years
Exclusion criteria
Exclusion criteria:
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Patients' pain during the intervention. Timepoint: at the time of intervention to 5 min after it. Method of measurement: 0 to 10 visual analogue scale.;Patients' satisfaction. Timepoint: at the time of intervention to 5 min after it. Method of measurement: 0 to 4 designed scale.;Surgeon satisfaction. Timepoint: at the time of intervention to 5 min after it. Method of measurement: 0 to 4 designed scale. | — |
Secondary
| Measure | Time frame |
|---|---|
| Start and finish time of efficient anesthesia. Timepoint: 1, 5, 10 and 20 min after first drop. Method of measurement: conjuctival pinching. | — |
Countries
Iran (Islamic Republic of)
Contacts
Public ContactHami Ashraf
Mashhad university of medical sciences
Outcome results
None listed