# Patient Satisfaction and Visual Function Following Implantation of Trifocals or Extended Range of Vision Intraocular Lenses

> **NCT04900662** · — · UNKNOWN · sponsor: **Queen's University** · enrollment: 480 (estimated)

## Conditions studied

- Cataract

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT04900662
- **Lead sponsor:** Queen's University
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** UNKNOWN
- **Start date:** 2019-07-05
- **Primary completion:** 2021-08-31
- **Final completion:** 2023-12-31
- **Target enrollment:** 480 (ESTIMATED)
- **Last updated:** 2022-02-04

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04900662

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04900662, "Patient Satisfaction and Visual Function Following Implantation of Trifocals or Extended Range of Vision Intraocular Lenses". Retrieved via AI Analytics 2026-08-03 from https://api.ai-analytics.org/clinical/NCT04900662. Licensed CC0.

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