Vision screening in remote Indian villages (Hindi)

Our NGO supports Primary schools and differently abled persons in over 70 villages in North Indian Himalayan foothills
We want to do basic vision screening and data collection in Hindi.
How to do, please?

Welcome @peteratower,
For introduction, would you mind to have a look at some Help Center articles, please?
See link on buttom of the forum page.

@peteratower, maybe these support articles, as advised by @wroos, should help you solve your issue: