I have made the long trip over internet deserts and jungles from Ask the Lab Guy on Facebook with a task from Barry Santini to ask Robert Martellaro how to measure subjective visual axis separation without a specialized measuring device. Presumably you know how to do this because of your extensive knowledge of low vision aids and how to fit them (which is another area that I would love to know more about). Robert Marellaro help youre my only hope.
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