binocular vision test
Effective consultation time management lays the foundation of income generation in any modern day
optometry or retail practice. The new patient has already started formulating a decision to return to the
practice whilst sitting in the waiting room chair.
Ensuring the practitioner has allocated enough time, and running on time, before the next consultation
is not always straight forward, especially with those tricky Binocular Vision cases.
But does one need to spend excessive time with a patient to get a better understanding of their
binocular vision system? For us, Definitely Not.
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RG8 BINOCULAR VISION TEST IS PERFORMED IN JUST A FEW SECONDS

Digital Visual Acuity Chart Screening Software
● Patient Response: 8  - ►






● Patient Response: 2  - ►






● Patient Response: 5  - ►

Binocular Vision Test - Simple, Fast & Accurate

RG8 BV Test

The basics on performing the RG8 Test
The RG8 Test has been built on the fundamental principles of the well known and
globally accepted, Worth 4 Dot Test, which could also be performed within a few seconds.
What makes the RG8 Test great is that it gives the examiner so much insight into the patient's
binocular system with a simple, one word response from the patient!.
Fixation disparity exists when there is a small misalignment of the eyes when viewing with binocular vision.
The misaligment may be vertical, horizontal or both.
The misalignment ( a few minutes of Arc ) is much smaller than that of strabismus, which prevents
binocular vision, although it may reduce a patient's level of stereopsis.
A patient may or may not have fixation disparity, and a patient may have a different Fixation disparity
at distance than near.
visual acuity chart software
r98 bv test in less than 2 seconds
The Patient is asked: 'What number do you see on the screen'?
In essence there are two images displayed to the patient:
1. The number Two ( 2 ) for the Left Eye
2. The number Five ( 5 ) for the Right Eye.
The ultimate goal is for the patient to have good fusion and alignment and report the number Eight ( 8 ).
RG8 Binocular Vision Test -
The test is performed best corrected and viewed as a Fixation distance test, ideally behind
the phoropter with the Red / Green filters in front of the Right and Left eye respectively.
In the event of more significant misalignment, Strabismus or recent Diplopia, patient responses such as 25 or 52,
are often reported and indicating an exo - or eso deviation.
The RG8 Test combines many traditional tests into one, thus saving time and due to it's simplicity
makes it a great Test for any patient, especially kids.
8-ok 2-od supression 5-os supression
From Wikipedia, the free encyclopedia
- ► Good Stereopsis






- ► OD Suppression






- ► OS Suppression
For a more intimate understanding of the affected extra ocular muscles, the Hess EOM Test included in the
Visual Acuity Chart Software, enables the examiner to Plot, Monitor and Manage sudden 'On Set' deviations.
Hess OEM - Extra Ocular Muscle Function Test
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Hess OEM

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How To Test






























































































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