Magalasi a maso amodzi ali ndi mankhwala amodzi okha owonera patali, kuyang'ana pafupi, kapena astigmatism.
Magalasi ambiri olembedwa ndi mankhwala ndi magalasi owerengera amakhala ndi magalasi a masomphenya amodzi.
Anthu ena amatha kugwiritsa ntchito magalasi awo a masomphenya amodzi kutali ndi pafupi, malingana ndi mtundu wa mankhwala awo.
Magalasi a masomphenya amodzi a anthu omwe amawona patali amakhala okulirapo pakati.Magalasi amasomphenya amodzi kwa ovala omwe ali ndi maso pafupi amakhala okhuthala m'mphepete.
Magalasi a masomphenya amodzi nthawi zambiri amakhala pakati pa 3-4mm mu makulidwe.Makulidwe amasiyanasiyana malinga ndi kukula kwa chimango ndi mandala osankhidwa.
Tags:1.74 lens,1.74 single vision lens