Likhalase tsa letoto la CH li na le theknoloji e tsoetseng pele.Ntho e hlakileng ka ho fetisisa ea moralo oa foreimi ea likhalase tsa myopia ke logo ea totem ea silevera.Likhalase tsa letsatsi li ngotsoe ka laser e nang le laser e matla haholo litempeleng tsa mapolanka mahlakoreng ka bobeli, 'me tempele e le' ngoe e ngotsoe ka nako e le 'ngoe.Ka kakaretso, tlhahiso e ntle haholo 'me sebopeho ke boleng bo phahameng.'Me likhalase tsa sebele ha lia lumelloa ho ba le liphoso leha e le life.Ho hlahisoa ha likaroloana tse nyenyane tse bonojoana ho bontša liforeimi tse ntlehali tsa lepolanka tse entsoeng ka bokhabane, tse nang le moetso o mongata, o benyang haholo le lilense tsa boleng bo holimo, 'me bokhabane bo bonahatsoa ntle le morero, bo khahlehang bo ikhethang.Khokahano e nyane ha se feela ho netefatsa ho tiea ha foreimi, empa hape ke tlhaloso ea botle, bo bobebe le bo khanyang.