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Fig. 1 | BMC Ophthalmology

Fig. 1

From: The effect of induced fusional demand on static and dynamic stereoacuity thresholds: the digital Synoptophore

Fig. 1

Left: the traditional layout of the synoptophore components. A translucent slide with a picture painted on one side is placed in the slide holder, retro illuminated and viewed through the mirror. Right: in place of the slide holder, a VDU has been mounted, at a slightly greater distance. Note the differing Eyepiece lens powers, which account for the difference in distance from the stimulus plane to the eye of the VDU

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