# Comparison the Topical Anesthesia and Retrobulbar Anesthesia for 27-gauge Vitrectomy for Vitreous Floaters

> **NCT03049163** · NA · UNKNOWN · sponsor: **Lin Zhong** · enrollment: 30 (estimated)

## Conditions studied

- Perioperative Pain Experiences

## Interventions

- **DRUG:** vitrectomy under topical anesthesia [Proparacaine HCL (Alcaine®)]

## Key facts

- **NCT ID:** NCT03049163
- **Lead sponsor:** Lin Zhong
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2016-10
- **Primary completion:** 2017-03
- **Final completion:** 2017-06
- **Target enrollment:** 30 (ESTIMATED)
- **Last updated:** 2017-02-09


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03049163

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03049163, "Comparison the Topical Anesthesia and Retrobulbar Anesthesia for 27-gauge Vitrectomy for Vitreous Floaters". Retrieved via AI Analytics 2026-06-08 from https://api.ai-analytics.org/clinical/NCT03049163. Licensed CC0.

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