# Effects of Blocking Blue Light at Night Post CABG, AVR, MVR, CABG AVR, CABG MVR, or SAH

> **NCT04578249** · NA · RECRUITING · sponsor: **West Virginia University** · enrollment: 80 (estimated)

## Conditions studied

- Circadian Rhythm Disorders

## Interventions

- **OTHER:** Blue light-blocking goggles
- **OTHER:** Clear goggles

## Key facts

- **NCT ID:** NCT04578249
- **Lead sponsor:** West Virginia University
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** RECRUITING
- **Start date:** 2021-09-20
- **Primary completion:** 2027-05
- **Final completion:** 2027-05
- **Target enrollment:** 80 (ESTIMATED)
- **Last updated:** 2026-04-20


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04578249

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04578249, "Effects of Blocking Blue Light at Night Post CABG, AVR, MVR, CABG AVR, CABG MVR, or SAH". Retrieved via AI Analytics 2026-07-09 from https://api.ai-analytics.org/clinical/NCT04578249. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*