# Contribution of Posterior Corneal Astigmatism to Total Corneal Astigmatism in a Sample of Egyptian Population

> **NCT04393740** · — · UNKNOWN · sponsor: **Cairo University** · enrollment: 356 (estimated)

## Conditions studied

- Corneal Astigmatism

## Interventions

- **DIAGNOSTIC_TEST:** scheimpflug imaging using pentacam

## Key facts

- **NCT ID:** NCT04393740
- **Lead sponsor:** Cairo University
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** UNKNOWN
- **Start date:** 2020-04-15
- **Primary completion:** 2020-07-15
- **Final completion:** 2020-08-15
- **Target enrollment:** 356 (ESTIMATED)
- **Last updated:** 2020-05-19


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04393740

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04393740, "Contribution of Posterior Corneal Astigmatism to Total Corneal Astigmatism in a Sample of Egyptian Population". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT04393740. Licensed CC0.

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