# Clinical Investigation of the Vision-R800 Device.

> **NCT04208750** · PHASE4 · COMPLETED · sponsor: **Pete Kollbaum, OD, PhD** · enrollment: 119 (actual)

## Conditions studied

- Myopia
- Hyperopia
- Astigmatism
- Presbyopia

## Interventions

- **DEVICE:** Vision R-800 Phoropter
- **DEVICE:** Standard Phoropter

## Key facts

- **NCT ID:** NCT04208750
- **Lead sponsor:** Pete Kollbaum, OD, PhD
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2019-11-18
- **Primary completion:** 2021-02-01
- **Final completion:** 2021-02-01
- **Target enrollment:** 119 (ACTUAL)
- **Last updated:** 2022-03-14


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04208750

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04208750, "Clinical Investigation of the Vision-R800 Device.". Retrieved via AI Analytics 2026-05-27 from https://api.ai-analytics.org/clinical/NCT04208750. Licensed CC0.

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