UVision ultraviolet (UV) reflective duck and goose decoy paint is designed for bird vision.
Haven't seen Theodore the 20 yo goose for around 2 weeks now, but did spy a goose with a strangely short looking neck and vision in only one eye (not the same
All About Goose Eyesight - Fresh Eggs Daily® with Lisa Steele
Canada Geese - Seattle Audubon
Vision is more than focus…or what a flock of Canada Geese taught me about vigilance and perspective. — Jeff Renner