Questions about example sentences with, and the definition and usage of "Optician"

A: You just said how you ask it- why did you go to the optician?

A: × There's an optician shop.
✓ There's an optician's office.

Technically, opticians are doctors. So even if we (Americans) go to a mall for our glasses, a store/place that sells glasses (assuming they are prescription glasses so there is an optometrist or ophthalmologist there), we refer to it as an office.

A: × I just arrived at optician but the repairman is going somewhere so I am drinking some juice and on my phone while waiting him back here.
✓ I just arrived at the optician but the repairman went somewhere so I am drinking some juice and am on my phone while waiting for him to come back here.

A: Good:

‎The optician checked my eyesight.
The optician tested my eyesight.

'Examed' doesn't work as a word. You would need to say something like:

"The optician completed an eye exam."

A: Could you clarify what you mean by squeezing it? ^^

A: The optician said he just rinsed your old lenses. He didn't squeeze them. He used plastic tweezers to pick up the lenses.