Which land animal has the largest eye of any land animal in the world?

Question

What is the transparent front part of the eye which, while contributing most of the eye's focusing power, has a fixed focus?

Answer 1

Ostrich has the largest eye of any land animal in the world. They are the bigger than any other bird in the world and can grow up to 9 feet (2.7 meters) tall and can weigh up to 320 lbs. (145 kilograms) according to the African Wildlife Foundation, and an ostrich's eyes are 2 inches (5 centimeters) in diameter — the largest of any land animal.

Answer 2

Giant squid 40 cm eye