Yes, walmart provides pinhole glasses. Pinhole glasses are eyeglasses with a series of pinhole-sized perforations filling an opaque sheet of plastic in each lens. Unlike conventional prescription glasses, pinhole glasses are suitable for people who are both near- and far-sighted. You can get it online because glasses online are much cheaper. The cost of these glasses usually ranges from $12 to $50 .
Yes, the walmart provides the pinhole glasses. Compared with common eyeglasses, the pinhole glasses are a little expensive. They will help you get the right vision. You could use it to get the right vision when seeing at things. If you want to adjust your vision, you could take this into consideration.
Well, according to a lot of people , pinhole glasses could improve our vision, at least to some extent. As far as i know, pinhole glasses used to be very popular in the world. However, there are better alternatives for people now. Speaking of the prices, at Walmart vision center, you could get a pair of pinhole glasses at reasonable price, would not be too pricey.