Wiktionary
n. (optical illusion English)
Usage examples of "optical illusions".
He had the distinct sensation of seeing something the wrong way around, like one of those black-and-white optical illusions that can suddenly jump from being an old crone seen in outline to a vase.
Closing with his target would not, could not, alter what he was viewing at a distance, not unless someone was having fun with optical illusions, but he painfully inched forward anyway.
Closing with his target would not, could not, alter what he was viewing at a distance, not unless someone was having fun with optical illusions.
Closing with his target would not, could not, alter what he was viewing at a distance, not unless someone was having fun with optical illusions—.
She made repeated mistakes, analogous to those made by ordinary humans in a room designed to foster optical illusions.
It was one of the most unnerving optical illusions of high-speed driving, daring the driver to try and catch them.
Among these pictures several of the kind that seemed most absurd to ordinary people interested me more than the rest because they recreated those optical illusions which prove to us that we should never succeed inidentifying objects if we did not make some process of reasoning intervene.
He took an enormous bite of sandwich and Ellen told him about her optical illusions.
Somehow he'd managed to convince himself that more than half of what had happened during the raid had been optical illusions and the rest was delusion.