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Quantification of Oculomotor Responses and Accommodation Through Instrumentation and Analysis Toolboxes

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Vergence and accommodation system in malay primary school children.

Ai Hong Chen¹, Ahmad Hakimi Zainol Abidin

¹Department of Optometry, Faculty of Allied Health Sciences, Universiti Kebangsaan Malaysia, Jalan Raja Muda Abdul Aziz, 50300 Kuala Lumpur, Malaysia.

The Malaysian Journal of Medical Sciences : MJMS

|September 13, 2012

Summary

This study found no significant age differences in most visual functions for children aged 7-12. However, fusional reserve, a key component of binocular vision, significantly varied with age.

Keywords:

Vergence accommodation children’s vicion

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Area of Science:

Ophthalmology and Vision Science
Pediatric Optometry
Binocular Vision Research

Background:

Binocular vision, encompassing accommodation and vergence, is crucial for visual development in children.
Understanding age-related changes in these functions is vital for diagnosing and managing visual impairments.

Purpose of the Study:

To investigate age-related differences in accommodation and vergence functions in primary school children.
To establish normative data for binocular vision parameters in Malay children.
To compare findings with existing literature for clinical guideline development.

Main Methods:

Sixty primary school children aged 7-12 years were assessed.
Measurements included accommodation facility, accuracy, relative accommodation, vergence facility, fusional vergence/reserve, and heterophoria.
Analysis of Variance (ANOVA) was used to determine age-related significance.

Main Results:

No significant age differences were found for accommodation facility, accuracy, relative accommodation, or vergence facility (p>0.05).
A significant age difference (p<0.05) was observed in fusional reserve.
Mean values for various parameters were recorded, including accommodation facility (20.08 cpm), vergence facility (20.18 cpm), and heterophoria at distance (-0.28 PD).

Conclusions:

While most accommodation and vergence parameters remain stable between ages 7 and 12, fusional reserve shows age-related variability.
These findings provide valuable reference data for interpreting binocular vision assessments in Malay children.
The study highlights the importance of considering age when evaluating fusional reserve in pediatric populations.