Pingelap
...that almost 1 in 10 of the inhabitants of Pingelap , a Micronesian atoll, have complete achromatopsia, a rare form of colourblindness which normally only affects 1 in 33,000?
...that almost 1 in 10 of the inhabitants of <b id="mwB9k"><a href="./Pingelap" id="mwB9o" rel="mw:WikiLink" title="Pingelap">Pingelap</a></b> (<i id="mwB9s">pictured</i>), a <a href="./Micronesia" id="mwB9w" rel="mw:WikiLink" title="Micronesia">Micronesian</a> <a href="./Atoll" id="mwB90" rel="mw:WikiLink" title="Atoll">atoll</a>, have <a href="./Achromatopsia#Complete_/_typical_achromatopsia_(Rod_monochromacy)" id="mwB94" rel="mw:WikiLink" title="Achromatopsia">complete achromatopsia</a>, a rare form of colourblindness which normally only affects 1 in 33,000?