When ho tsofalaho 40+, theLens Crystalline e fetohamosehla leLeruo, moo re tla lahleheloa ke matla a ho khetholla lintho tse ntlee bohale'me butle butle. Bakeng sa ba lilemo li maharengbathoKe bo-mang ba bonang ka litlolo tsa kristale tsa Crystalline tse tsoang mosehla, ho thata ho supa 'mala o mofubelu le o botala hobane leseli le leputsoa le matla haholo. Hobaneng1.60 Uv585 lensee nkuoaHo ntlafatsa ponoHobane bofube bo bofubelu le botala bo ka bonoa ka ho hlaka ka ho kuta lebone le mosehla.
Ponahalo ea lilemo tse bohareng ke "maikutlo a mosehla" papiso ea maikutlo a mosehla (ka ho le letšehali) le maikutlo a tloaelehileng (ka ho le letona
'Mala o mosehla o tlatselletsoablue. Lebone la mosehlacut iskhona ho sebelisa 'mala oa' mala.
E ntlafalitsoe ho tlohakaholimoHo ithuta ka mahlo,Bokahohle e hlatsoe aLens e ncha e ncha ea pono e ncha-1.60 Uv585 lense. Ittlisabatho ba lilemo tse bohareng baPonahalo e hlakileng hobane e nepilesPono e Foufetseng hoho theola lebone la mosehla ka tsela e 585.Kahoo bathoe tla khahloa ke ponahalo ea eona e bonolo le e hlakileng.
* Kee na le bokhoni ba ho khaola glare ka botlalommeLeseli la Ultraviot -
*e ka khonantlafatsa ponahalommetlisa tse tummeng tse boletsoeng esale pele* 1.60uv588 * e etsa hore batho ba tsofetsengIkutloe ho le bonolo ho bona letšoao la sephethephethe, mabone a brake a koloi le mohala o mosoeu. E sebetsana le ho khanna ho khanna