If you talk to us to try and do your research, you can do it from any machine as we're machine agnostic. We work on all units. You can obtain schedule eye exams from any TRICARE-licensed optometrist or ophthalmologist. You do not have to have a referral or authorization. https://takemyexam37147.anchor-blog.com/17334145/top-guidelines-of-do-my-online-class