Monophthalmos is a medical term used to describe a condition in which a person has only one eye. However, there are several synonyms or alternative terms used to describe this condition, including Cyclopean eye, monocularity, uniocular vision, and one-eyedness. The term Cyclopean eye refers to the legendary giant Cyclops from Greek mythology who had only one eye in the center of his forehead. Monocularity and uniocular vision both refer to the state of having only one functioning eye, while one-eyedness is a more colloquial term used to describe the same condition. Knowing these synonyms can help individuals better understand medical reports or discussions related to monophthalmos.