# Compare Visual Outcomes Using a New Diagnostic Device

> **NCT04037631** · — · TERMINATED · sponsor: **Carl Zeiss Meditec AG** · enrollment: 24 (actual)

## Conditions studied

- Presbyopia

## Interventions

- **DIAGNOSTIC_TEST:** Diagnostic device

## Key facts

- **NCT ID:** NCT04037631
- **Lead sponsor:** Carl Zeiss Meditec AG
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** TERMINATED
- **Start date:** 2017-07-20
- **Primary completion:** 2020-05-01
- **Final completion:** 2020-05-01
- **Target enrollment:** 24 (ACTUAL)
- **Why stopped:** recruitment
- **Last updated:** 2021-01-28


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04037631

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04037631, "Compare Visual Outcomes Using a New Diagnostic Device". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT04037631. Licensed CC0.

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