they supposed there would be no testing so they became blind and deaf. thereafter allah accepted their repentance yet many of them became blind and deaf and allah watches what they do.
وحسبوا ألا تكون فتنة فعموا وصموا ثم تاب الله عليهم ثم عموا وصموا كثير منهم والله بصير بما يعملون