Relationship between Vision and Visual Perception in Hong Kong Preschoolers

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Wing-Cheung Ho1, Minny Mei-Miu Tang, Ching-Wah Fu

  • 1*BSc(Hons), PhD †PDip(OT) MA ‡MA §BSc(Hons) ∥MPhil, PDP (Optom) School of Optometry, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China (W-CH, K-YL, PC-KP, AM-YC); and Ebenezer School & Home for the Visually Impaired, Hong Kong Island, Hong Kong, China (MM-MT, C-WF).

Optometry and Vision Science : Official Publication of the American Academy of Optometry
|April 16, 2015
PubMed

Insights

Hong Kong preschoolers show advanced visual-motor and visual perceptual skills compared to US peers. This study provides normative data for these skills in the Hong Kong Chinese population.

Area of Science:

  • Developmental Psychology
  • Pediatric Optometry
  • Educational Psychology

Background:

  • Normative data for visual-motor and visual perceptual skills are crucial for assessing preschool children.
  • Existing databases are primarily based on the US population, limiting applicability to other demographics.
  • Chinese preschoolers have demonstrated superior performance in these skills, necessitating region-specific data.

Purpose of the Study:

  • To establish normative values for visual-motor integration (VMI) and visual perceptual skills (VPS) using the Test of Visual-Perceptual Skills (TVPS) for Hong Kong Chinese preschoolers.
  • To investigate the influence of fundamental visual functions (visual acuity, stereopsis) on VMI and VPS performance in this population.

Main Methods:

  • Recruited 174 preschool children from Hong Kong kindergartens.
  • Assessed distance and near visual acuity, stereopsis, VMI, and TVPS.
  • Utilized multiple regression analysis to examine the relationship between visual functions and VP skills.

Main Results:

  • Hong Kong preschoolers' performance on VMI and specific TVPS subtests (visual memory, spatial relationships) surpassed US norms.
  • Age was the most significant predictor of VMI and VPS performance.
  • Near visual acuity showed a weak association with VMI and certain TVPS subtests.

Conclusions:

  • Hong Kong preschoolers exhibit advanced VMI and specific VPS, potentially due to educational factors.
  • This study provides essential normative data for VMI and TVPS in Hong Kong Chinese preschoolers.
  • The findings serve as a valuable reference for future research and clinical assessments.
Abstract

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