I don’t remember if it is in fact open world, but a game for just chill and take a long walk from start to finish is Firewatch

Not sure if home made is what you have in mind but for me its this https://youtu.be/-wgZ7s3YxWI

Prescriptions are very country dependent, and most stores will not ship internationally. You should still inform your country.

Removed by mod

Never used it, but https://www.specsavers.co.uk/glasses says it has online ordering.

So your superpower is Epilepsy?