A priest, a doctor, and an engineer went to play golf. But their play was held up mightily by the slow progress of the group ahead of them.
When they asked the greenskeeper why the group was so slow, he told them the three golfers were blind firefighters, who had lost their sight saving the course clubhouse from burning down. In gratitude, the club had voted to let them play free for the rest of their lives.
"Oh," said the priest, quite moved the the story, "I must pray for them."
The doctor had a different idea. "I'll ask one of my ophthalmologist colleagues if there's something he can do …