For some more comparisons, the UK has free eye-tests for certain groups (children and at-risk) [1], but it costs around £20-25 (~$28-$35 at current exchange rate).
[1] https://www.nhs.uk/nhs-services/opticians/free-nhs-eye-tests...
[2] https://www.specsavers.co.uk/help-and-faqs/how-much-is-an-ey...