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what is the antonym for eyeglasses or glasses
James lost his eyeglasses.
Eyeglasses predate the patent system.
The singular form 'eyeglasses' is a shortened form for 'a pair of eyeglasses'.
The plural form is two pairs of eyeglasses, or simply 'eyeglasses'.
Eyeglasses are plural. Each lens is an eyeglass.