Indorerwamo y'amaso 1.74 isobanura lens ifite indangagaciro ya 1.74, niyo ifite icyerekezo kinini cyo kwangirika ku isoko, hamwe nubunini bwa lens yoroheje. Ibindi bipimo bingana, urwego rwo hejuru rwo kwanga, urwego ruto, kandi bizaba bihenze cyane. Niba urugero rwa myopiya rurenze dogere 800, rufatwa nka myopiya ultra-high, kandi indangagaciro ya 1.74 irakwiriye.