Multifocal magirazi ane pfupi nzira uye refu chiteshi. Kusarudzwa kwechiteshi kwakakosha. Kazhinji, isu tinotanga tafunga kusarudza chiteshi chipfupi, nekuti iyo pfupi chiteshi ichava nendima yakakura yekuona, iyo inoenderana nemararamiro evanhu vanowanzo tarisa nharembozha dzavo. Musiyano pakati pemeso wakakura, maziso ekuderera kutenderera kugona kwevanhu, akakodzerawo kupfupi nzira. Kana mutengi akapfeka multi-focus kekutanga, ane yepakati chinhambwe chinodiwa, uye iyo Wedzera yakakwira, saka chiteshi chakareba chinogona kutariswa.