Night Rating
CAR 602.115: Three miles visibility for night VFR
CAR 703.27: Prohibits en route night VFR at less than 1000 ft above the highest obstacle along specific routes
Factors that affect our Night vision
Night Vision
Two blind spots
Lack of colour vision
Reduce activity
reduce depth perception
Night myopia
Visual hypoxia
Night blindness
Effect of aging
effect of Carbon Monoxide, drugs, alcahol, fatigue, smoking