You put the contact solution in the contact case BEFORE you take out your contacts. That way, you can still see the squirting contact solution and correctly aim it in to the case. I wish I'd figured that out 8 years ago. I would have saved a lot of contact solution and a lot of time cleaning up crusty dried solution remnants from the bathroom counter.
I used to watch my mom put the contact solution in first and I thought she was such a weirdo. I finally understand, Mom. I finally understand.