'Rarebit perimetry' presentation slideshows

Rarebit test principles use stimuli of minimal subtense (ideally smaller than receptive fields),

Rarebit test principles use stimuli of minimal subtense (ideally smaller than receptive fields),. - at high & fixed contrast,. - briefly exposed (to negate sweep gains);. check once only for the presence of function (no thresholding),. - in ever-new, non-overlapping locations;.

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