# Effects of Wearing Progressive Addition Lens on Working Distance and Refractive Status in Adult Computer Users

> **NCT02775396** · NA · COMPLETED · sponsor: **The Hong Kong Polytechnic University** · enrollment: 64 (actual)

## Conditions studied

- Video Game Play Using Handheld Computer

## Interventions

- **DEVICE:** Spectacle lens

## Key facts

- **NCT ID:** NCT02775396
- **Lead sponsor:** The Hong Kong Polytechnic University
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2014-09
- **Primary completion:** 2015-03
- **Final completion:** 2015-04
- **Target enrollment:** 64 (ACTUAL)
- **Last updated:** 2016-05-17

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT02775396

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT02775396, "Effects of Wearing Progressive Addition Lens on Working Distance and Refractive Status in Adult Computer Users". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT02775396. Licensed CC0.

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