Visual Acuity Assessment: Optotype Construction - vTomb

Visual Acuity Assessment: Optotype Construction

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This animation, developed by Dr Suzane Vassallo at La Trobe University, demonstrates how the optotypes on a standard vision chart all subtend 5 mins of arc at their prespecified distance. It also demonstrates that each optotype is encased in in a grid with each component subtending 1 minute of arc so as to assess the resolving power of the eye, in alignment with the retinal architecture.

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