Binocular Vision Competency 8.2

Competency 8.2: An understanding of the management of a patient with an anomaly of binocular vision The proper interaction of the eyes under normal circumstances gives rise to Binocular Single Vision (BSV), however there are numerous conditions which can lead to a breakdown of the BV system.  The object of BV assessment is to establish the […]

Binocular Vision Competency 8.7

Competency 8.7: The ability to manage a patient presenting with an incomitant deviation An incomitant deviation is caused by an imbalance of the extraocular muscles and as such, varies in size according to gaze position.  Such deviations can be considered as falling into three categories, in order of occurrence: Neurogenic – caused by an interruption […]

Visual Function Competency 3.1

Competency 3.1: The ability to make appropriate prescribing and management decisions based on the refractive and oculomotor status The trainee needs to demonstrate the ability to decide whether a new or changed prescription is warranted ensuring that main issues arising in examination are taken into consideration.  These issues include any presenting symptoms any previous prescription […]

Clinical Conundrum – what would you do?

As a locum I occasionally come across previous practitioner’€™s work which raises an eyebrow. However, I came across this young man recently: Age 10, routine review, asymptomatic. Previous practitioner reports: +0.50 R&L. No Rx given. Today the findings were RVA   6/5   +2.50 =  6/5 LV   6/5   +2.50 =  6/5 I believe […]

What’s on BV – Episode 3 – How to get more from your occluder – Part 3

When is a tropia not a tropia? The previous episodes have covered the topics of asymmetric phoria and the importance of recovery in latent squint. This episode aims to highlight the importance of observing both the covered and uncovered eye on the cover test. I tested an 11 year old girl recently who has a […]

What’s on BV – Episode 2 – How to get more from your occluder – Part 2

What do we mean by recovery? In the last episode, we saw that concomitant deviations do not have to be symmetrical, and that in the case of anisometropia, one may see an asymmetrical movement of the eyes on the alternate cover test.  This episode highlights the importance of the recovery movement seen on cover test. […]

What’s on BV – New Series

Welcome to the first episode of the new ‘What’s on BV’ series, where I hope to highlight some examples of BV tests that I find particularly useful in clinical decision making.  Unfortunately there is no free binder with part one, but I hope they prove a useful collection in the long run.  If there are any […]

Binocular Vision FAQs. Your questions answered.

Binocular Vision was always one of my worries as a trainee.  But why should that be?  Is is poorly taught at university perhaps?  Well, the answer to that is probably not.  For some reason it is one of those topics that many have had trouble getting their heads around.  And yet , there are only […]