# Characterization and Causative Factors of Negative Dysphotopsia

> **NCT04224129** · — · UNKNOWN · sponsor: **Vienna Institute for Research in Ocular Surgery** · enrollment: 10 (estimated)

## Conditions studied

- Pseudoaphakia

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT04224129
- **Lead sponsor:** Vienna Institute for Research in Ocular Surgery
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** UNKNOWN
- **Start date:** 2016-01
- **Primary completion:** 2020-12
- **Final completion:** 2021-05
- **Target enrollment:** 10 (ESTIMATED)
- **Last updated:** 2020-01-13


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04224129

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04224129, "Characterization and Causative Factors of Negative Dysphotopsia". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT04224129. Licensed CC0.

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