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Related Experiment Video

Updated: May 20, 2026

$Subjective Refraction Test Using a Smartphone for Vision Screening$

Subjective Refraction Test Using a Smartphone for Vision Screening

Published on: October 18, 2024

Vision screening across the world.

Noelle S Matta¹, David I Silbert,

¹Family Eye Group, Lancaster, Pennsylvania 17601, USA. noellematta@gmail.com

The American Orthoptic Journal

|August 1, 2012

Summary

This summary is machine-generated.

Most countries have pediatric vision screening programs, but less than half have a national strategy. This global overview from the International Orthoptic Association (IOA) can guide improvements in child vision health.

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Area of Science:

Ophthalmology
Public Health
Pediatrics

Background:

Pediatric vision screening is a critical global health concern.
The International Orthoptic Association (IOA) represents a significant network for assessing global screening efforts.

Purpose of the Study:

To determine the current status of international pediatric vision screening programs.
To identify commonalities and variations in screening approaches worldwide.

Main Methods:

An email survey was distributed to representatives of IOA member countries.
Data was collected on the existence, scope, funding, and mandatory nature of pediatric vision screening programs.

Main Results:

89% of surveyed countries reported having pediatric vision screening programs.
44% of countries have a national vision screening program.
56% of programs are government-funded, and 28% are obligatory.

Conclusions:

The survey provides a snapshot of global pediatric vision screening.
Findings can inform the development of new and enhancement of existing vision screening strategies.
This data aims to improve global child vision health outcomes.