What should a pilot do to optimise his/her night vision (scotopic vision)?

Question

Question ATPL - Airline Transport Pilot license - Human Performance and Limitations

QuizVDS · Accepted Answer

Not smoke before start and during flight and avoid flash-blindness

QuizVDS · Answer

Wait at least 60 minutes to night-adapt before he takes off

QuizVDS · Answer

Avoid food containing high amounts of vitamin A

QuizVDS · Answer

Select meals with high contents of vitamin B and C

Id 8 - ATPL - What should a pilot do to optimise his/her night vision (scotopic vision)?