# CYPRESS Efficacy and Safety Study Extension

> **NCT04947735** · NA · ACTIVE_NOT_RECRUITING · sponsor: **SightGlass Vision, Inc.** · enrollment: 200 (estimated)

## Conditions studied

- Juvenile Myopia
- Myopia

## Interventions

- **DEVICE:** Novel spectacle lens design
- **DEVICE:** Spectacle lenses

## Key facts

- **NCT ID:** NCT04947735
- **Lead sponsor:** SightGlass Vision, Inc.
- **Sponsor class:** INDUSTRY
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** ACTIVE_NOT_RECRUITING
- **Start date:** 2021-07-19
- **Primary completion:** 2026-10-31
- **Final completion:** 2026-12-31
- **Target enrollment:** 200 (ESTIMATED)
- **Last updated:** 2026-05-05


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04947735

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04947735, "CYPRESS Efficacy and Safety Study Extension". Retrieved via AI Analytics 2026-06-24 from https://api.ai-analytics.org/clinical/NCT04947735. Licensed CC0.

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