# A 2-year Longitudinal Study on the Structural and Optical Effects of Orthokeratology Treatment on Eye

> **NCT02643342** · NA · COMPLETED · sponsor: **The Hong Kong Polytechnic University** · enrollment: 99 (actual)

## Conditions studied

- Myopic Progression

## Interventions

- **DEVICE:** Orthokeratology

## Key facts

- **NCT ID:** NCT02643342
- **Lead sponsor:** The Hong Kong Polytechnic University
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2016-06-18
- **Primary completion:** 2019-08-03
- **Final completion:** 2019-08-03
- **Target enrollment:** 99 (ACTUAL)
- **Last updated:** 2020-07-30

## Collaborators

- [object Object]
- [object Object]
- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT02643342

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT02643342, "A 2-year Longitudinal Study on the Structural and Optical Effects of Orthokeratology Treatment on Eye". Retrieved via AI Analytics 2026-06-05 from https://api.ai-analytics.org/clinical/NCT02643342. Licensed CC0.

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