The passengers on the bus watched with sympathy as Susan made her way carefully up the steps. She paid the driver and then, using her hands to__31__the seats, settled in one of them.

It had been a year since Susan became blind. As the result of an accident she was suddenly thrown into a world of__32__. Susan’s husband Mark watched her__33__into hopelessness and he was__34__to use every possible means to help his wife.