She is blind in both eyes. The staff of the vet clinic works with her so that she will stay calm during visits from the vet.
Training is done for two reasons.
It makes medical treatment safer for the animals and for the zoo's staff. Also, the daily interaction enriches the lives of the animals and gives them a good physical workout. Marie is Triton's primary trainer. Triton is the largest of our 3 sea lions. At almost 400 pounds, he could easily overpower even the largest of his trainers.