Kodi mungapeze magalasi owerengera mu magalasi?

Momwe amagwirira ntchito
 
- Magalasi awa nthawi zambiri amakhala ndi mawonekedwe a bifocal kapena opita patsogolo. Magalasi a Bifocal ali ndi magawo awiri osiyana: imodzi yowonera patali pamwamba ndi ina yowerengera kapena pafupi ndi masomphenya pansi. Magalasi opita patsogolo, kumbali ina, amakhala ndi kusintha kosasunthika kuchokera patali kupita kufupi ndi masomphenya, kupereka chidziwitso chowoneka bwino.
 
Ubwino
 
- Chitetezo cha UV: Amateteza maso ku kuwala koyipa kwa ultraviolet (UV), komwe kumakhala kofunikira kwambiri powerenga panja.
 
- Kusavuta: Amaphatikiza ntchito zamagalasi owerengera ndi magalasi, kotero simuyenera kunyamula ndikusintha pakati pa magalasi awiri.
 
Malingaliro
 
- Kulondola kwamankhwala: ndikofunikira kuti mupeze malangizo olondola kuti muwone bwino patali.

 
- Mawonekedwe a chimango ndi oyenera: Sankhani chimango chomwe chikugwirizana ndi mawonekedwe a nkhope yanu ndipo ndichosavuta kuvala kwa nthawi yayitali.