Apparently one brand of the free tests is more accessible for people who are blind or have low vision, or have low manual dexterity.
More info about it here: Order free at-home COVID-19 tests | ACL Administration for Community Living with a link to a special page to order that particular test.
(They say “To ensure that these tests are reserved for people who truly need them, the link to this special page will not be published on the COVIDtests.gov home page.”)
