Category: perception

The Developmental Pyramid

The ‘Developmental Pyramid’ See also: Human Visual Developmental Pyramid Graphic http://drboulet.com/the-human-visual-developmental-pyramid/ (Extract from Dr. B’s Parent and Teacher Guides  ‘Child Vision, Learning, and Development’ series:  Fundamentals 1: Learning Mechanics) It’s helpful to look at human development as the construction of…

What can we do about child vision?

Every week brings in new children to my clinic; children who have hit a dead end with family doctors and paediatricians, as well as with the schools. I run a child vision development clinic, and we see children with apparent…

Astigmatism – A Primer

Astigmatism – A silent and invisible thief. No one should expect parents to understand how vision works, let alone how this might affect their children – even though they might observe very clearly the effects of significant visual impediments. Astigmatism,…

VILD Notes and Symptom Checklist

The attached notes and checklist are for sharing and information purposes. The Notes section offers general information about the nature of human visual function, and the Symptoms and Signs Checklist is a survey to help characterize the nature of possible…

The Human Visual Developmental Pyramid

Vision has often been depicted as a ‘pyramid’, with core functions and systems arriving early in development (the ‘base’) and other more advanced behaviours and skills arriving afterwards, partly as a function of earlier development. The graphic representation is designed…

Vision Blindness – Introduction

(See the Preface here.) There are many uses of the word ‘blind’. The concept is so broadly understood, and feared, that many languages have adopted the term to other common uses. When someone does not appreciate the gravity of a…

Hyperopia as Physical Disability Part 2

In the recent post, I focused on hyperopia as a physical disability. This notion, that non-blinding vision dysfunction is a disability will be a new idea to many readers. There are many reasons for this and these are worthy of…