# Intraocular Pressure and Optic Nerve Sheath Diameter Changes in Laparoscopic Cholecystectomies

> **NCT03933254** · — · WITHDRAWN · sponsor: **Marmara University**

## Conditions studied

- Intraocular Pressure
- Intracranial Pressure
- Pneumoperitoneum

## Interventions

- **DIAGNOSTIC_TEST:** Intraocular pressure measurement via ocular tonometry

## Key facts

- **NCT ID:** NCT03933254
- **Lead sponsor:** Marmara University
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** WITHDRAWN
- **Start date:** 2019-05
- **Primary completion:** 2019-12
- **Final completion:** 2020-01
- **Target enrollment:** 0 (ACTUAL)
- **Why stopped:** As a result of COVID-19 pandemics
- **Last updated:** 2021-12-03


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03933254

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03933254, "Intraocular Pressure and Optic Nerve Sheath Diameter Changes in Laparoscopic Cholecystectomies". Retrieved via AI Analytics 2026-06-03 from https://api.ai-analytics.org/clinical/NCT03933254. Licensed CC0.

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