I go to https://www.goggles4u.co.uk/ https://www.goggles4u.co.uk/ There are frames advertised, with prices, before they have any idea what my prescription is.

I go to https://www.goggles4u.co.uk/ https://www.goggles4u.co.uk/ There are frames advertised, with prices, before they have any idea what my prescription is. I add to cart, and give my prescription. The price is the same. So, they can't be adding extra for my astigmatism.