The pilot reported that he was going to perform two night landings at the accident airport before departing to his destination. He said that he was too high on final and reduced the power to idle and descended. The approach lights were on and the pilot reported that they were bright. He said that he was pressing the push to talk switch while looking at the lights and heard a loud bang. He stated that the airplane porpoised, he then regained control, and landed. The approach lights were damaged and the airplane sustained substantial damage. His safety recommendation said, "I should have aborted landing when I saw I was too high – went around, adjusted light brightness in the pattern and then landed."