Thank you for these tips and links, though none of them address travel-abroad-related medical insurance coverage in the kind of detail that the subject deserves -- especially in the wake of lessons learned from travel during and in the aftermath of t...

A practical solution I found is to buy an old-fashioned, hand-held, magnifying glass and using it for this and other purposes at home.  There's lots to chose from at Amazon; search for "magnifying glasses."

I can't seem to find any advice or links to providers to deal with the need for medical insurance coverage while traveling outside the USA.  This is such an obvious thing that is missing because it is well known that Medicare does not cover medical o...