In the story, Dr. Maturin is depicted as a skilled surgeon who has performed medical operations aboard ships in daylight, providing him with the visibility needed to execute these procedures effectively. His experience on deck, where many crew members have witnessed his expertise, showcases not only his surgical abilities but also the challenges of performing such tasks in a maritime environment.

The setting emphasizes the contrast between the natural light of day and the confined conditions of a ship, highlighting the struggles and intricacies of performing surgical operations at sea. Dr. Maturin’s confidence and familiarity with these circumstances make him a respected and reliable figure among those onboard, illustrating the importance of both skill and experience in challenging scenarios.