For Eyes is known for providing a cheap glasses but beware-you get what you pay for.  Rather than providing market-tested, well-know products, they opt for "last season" frames (which can be purchased in bulk at discounted rates) or "homemade," and their inexpensive lenses can be upgraded to have their own ineffective coatings.  Furthermore, employees are heavily discouraged fro selling the well promoted "2 for $99" glasses so expect a long, high-pressure sales pitch if you intend to purchase there.  To top it all off, the national lab is staffed by inexperienced, underpaid employees who are...