The man was blind in daylight, and could see in darkness or half-light.
He was nervous and excited, and his eyes shone in the half-light.
He stands a moment bewildered by the half-light, then calls sharply: "Larry!"
The walls were spotless and the red-tiled floor shone in the half-light.
He stood in the half-light, one hand on the table, the other clasping the picture.