Hermann grid
An optical illusion where ghostly grey blobs are perceived at the intersections of a light-coloured grid on a black background.
(medicine) The branch of medicine that deals with the ear, its structure, function and pathology.
Having only a single eye, particularly when a greater number is normal. / Being able to see out of only one eye.
A surname from German.
ヘルマン格子錯視は、黒い背景に淡い色の格子があるときに、その格子の交差点で幽霊のような灰色の斑点が知覚される視覚的錯覚です。
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