I purchased these as a gift to my husband. He was a bit skeptical putting them on and maybe even in denial for the first few minutes. He stood there taking the glasses off and putting them on pointing to different objects asking what the actual color was and was amazed at how much of a difference they made! He wears them all the time, We went to a family event where his moms cousin was who has the same coloblindness and he tried them on and told his wife he wanted a pair too. We just found out a family friend has a son with the same coloblindness and reccomended these glasses!