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Optimization of a Photoretinoscopy Method for Determining the Objective Refraction of Children

NCT06295536 · Status: COMPLETED · Phase: NA · Type: INTERVENTIONAL · Enrollment: 121

Last updated 2025-04-02

No results posted yet for this study

Summary

The objective is to compare the refractive parameters of the photorefraction prototype device without cycloplegia with the refractive parameters of reference device, an autorefractometer with and without cycloplegia.

Conditions

  • Ametropia

Interventions

DEVICE

Comparator device, Closed-field autorefractometer

* Objective refraction without cycloplegia * Distance visual acuity with objective refraction without cycloplegia * Objective refraction with cycloplegia * Distance visual acuity with objective refraction with cycloplegia

Sponsors & Collaborators

  • Essilor International

    lead INDUSTRY

Principal Investigators

  • Andrew KC Lam, PhD · Hong Kong Polytechnic University, School of Optometry

Study Design

Allocation
NA
Purpose
SCREENING
Masking
NONE
Model
SINGLE_GROUP

Eligibility

Min Age
6 Years
Max Age
13 Years
Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2024-03-28
Primary Completion
2024-08-23
Completion
2024-08-23

Countries

  • Hong Kong

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT06295536 on ClinicalTrials.gov