Category: background

public info re: background

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…

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…

Iseikonic Lenses

Iseikonia (eye-suh-koh-nee-ah) is a state where the left and right eyes produce equally sized images on the retina. Aniseikonia, then, is a condition where, for whatever reason, the retinas are shown imagery of distinctly different size. Aniseikonia results from a…

The Developmental Pyramid

The ‘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 a pyramid, with basic (or core) functions at…

Proof in Strabismus Surgery

When ophthalmologists recommend strabismus surgery, they will most often NOT offer alternatives. More often that not, vision rehabilitation is ignored as an option and dismissed with comments like ‘it doesn’t work’ or ‘it’s a scam’. When pressed, most will also…

Neurological Impress Method 2

This version of Neurological Impress Method (NIM) is a complement to Neurological Impress activity offering an alternate perspective on things. This version is based more closely on the original work by Heckelman in the 1960’s (see below). Introduction: Beginning readers,…

The McGurk Effect

A more complicated explanation follows, but simply put, the McGurk effect happens when our eyes tell our ears what they’re hearing. It’s a wonderful demonstration of how vision and hearing are paired in language. In the the video that follows,…