1. A method for display control, comprising: acquiring, by an electronic device comprising a processor, an image including one or more observed objects; determining, by the electronic device, whether an observed object is clearly visible for a user according to vision information of the user and according to whether the observed object contains detailed information; and when the observed object contains the detailed information, determining that the observed object is not clearly visible for the user, displaying, by the electronic device on, an enlarged image including at least a portion of the observed object, wherein determining whether the observed object is clearly visible for the user according to whether the observed object contains detailed information comprises: acquiring, by the electronic device, a variation degree of a predetermined pixel characteristic parameter of the observed object, the predetermined pixel characteristic parameter including one or more pixel values in the observed object; and determining, by the electronic device, whether the observed object contains detailed information according to whether the variation degree of the predetermined pixel characteristic parameter is greater than or equal to a predetermined variation degree, wherein when the variation degree of the predetermined pixel characteristic parameter is greater than or equal to a predetermined variation degree, determining that the observed object contains the detailed information.