No, you don't. There are opticians with glasses out there.
Yes
Credentials to become an optician vary from state to state. Some states only require on the job training while others require four years of schooling and an apprenticeship.
yess they have good eyesight because they need to see far away incase there is any seals ahead ! they love to eat seals !
Good Eyesight
no, you can wear glasses/contacts
Lynxes need keen eyesight and hearing for hunting, and hares need good hearing and smell to know if they're being stalked - and good eyesight to see where they're running.
eat eyes
You may start having problems with your eyesight, in which case I would go to a doctor or optician and ask for an eye test. (Don't worry eye tests don't hurt , they usually ask you to read off a chart on a wall.)
It is possible to do so - you will need to contact your optician.
a food safety certificate and a good degree in food.
10 years
go to an optician, you may need your eyes tested