Category: Developmental Delay

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,…

AAP Vision Screening Recommendations

Less Than Meets the Eye: When ‘Expert’ Advice is False Economy Pediatricians receive only cursory training in assessing children’s visual function, and only minimal exposure to ophthalmic disease. This is reflected in the visual screening recommendations by The American Academy…

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…

Sight Tests Not Needed

Every now and then, a blog post reveals truths about a writer or a body that was never intended as part of the original goal of writing. Doctors of optometric vision rehabilitation will recognize in the blog post linked below…