That's clearly not the case in all parts of the world. China and India often ignore patents and trade secrets to produce generic drugs for domestic use. I oft

That's clearly not the case in all parts of the world. China and India often ignore patents and trade secrets to produce generic drugs for domestic use. I often hear about how useful donating used prescription glasses are to people in need in other countries like Africa and China. I imagine this would be a similar program that would be aimed at prevention. I would think any influence of big pharma would affect prescription glasses distribution programs in the same way.