It might be, but I suspect not; the optometrist is 'independent' so if Walmart is subsidizing them it's by free rent or something.

It's likely that it's mainly volume (and NO insurance paperwork at all) - the one I went to doesn't even take insurance, cash or credit card only.

Unless state law says otherwise the optician is an independent business. Check your local laws, some states don't allow that arrangement.

I'm not sure what the business deal is, but it looks to me like the rent the space from walmart and wal-mart does the scheduling. That is the person who does the exam isn't a WalMart employee, but they use WalMart for services. If you watch close you will notice they use a different POS system for paying for your exam from the one you use to buy your glasses.

Independent doesn't mean that there isn't a profit to Walmart in having it there. I go to one of those Walmart eye docs--she's independent of the store and has her own office staff, but her office has a second door that opens into Walmart's optical center.