# Anaesthesia for Ophthalmic Surgery: How "Retro" is the Peribulbar Block?

> **NCT01258959** · — · COMPLETED · sponsor: **Sunnybrook Health Sciences Centre** · enrollment: 100 (estimated)

## Conditions studied

- Ophthalmic Surgery
- Parabulbar Block

## Interventions

- **PROCEDURE:** Ultrasound detection of local anesthetics spread

## Key facts

- **NCT ID:** NCT01258959
- **Lead sponsor:** Sunnybrook Health Sciences Centre
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2011-01
- **Primary completion:** 2011-06
- **Final completion:** 2011-06
- **Target enrollment:** 100 (ESTIMATED)
- **Last updated:** 2011-06-09


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01258959

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01258959, "Anaesthesia for Ophthalmic Surgery: How "Retro" is the Peribulbar Block?". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT01258959. Licensed CC0.

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