have blinders on

have blinders on

to not be able to recognize or accept what is happening around you I don't know why I thought he was innocent - I guess I had blinders on.
Usage notes: sometimes used in the form put blinders on (to refuse to accept something): They put blinders on because they found it easier to ignore her behavior than to do something about it.
Etymology: based on the literal meaning of blinders (pieces of material attached next to a horse's eyes to keep it from seeing anything on either side)
See also: blinder, have, on
References in periodicals archive ?
Our sales people don't have blinders on and aren't told how to sell and the way to sell it," says Sherrman.