Lens lesichubekako

Abantu abaningi ekupheleni kweminyaka emine unezinkinga ngokugxila umbono wakhe, ekhiqizwa at amabanga eduze. Lesi simo kuthiwa i presbyopia. Futhi thina bayawazi njengoba ayenzile ezikude ubudala. Iziguli hyperopia, kuze kube sesikhathini inkinga baphendukele kosizo izibuko, ukuthenga plus-lens. Myopic, abaphethwe myopia, batawudzinga kutsi babukane ngco umbono phezu amafushane e amaphuzu lokususa.

Presbyopia libhekene ikhono phambili njalo futhi ifinyelela esiphezulu zako kuya eminyakeni engamashumi ayisithupha noma ayisithupha nanhlanu. Ibanga lapho into bubonakala ngokucacile, kancane kancane kwandisa. Esikhathini esizayo esiseduze kuzodinga ukuthengwa i pair extra izibuko. Badinga asibuke amabanga okweqa ngamasentimitha amane mahlanu. Ezinye iziguli zithole ezintathu noma ezine ngazimbili izibuko, ezisetshenziswa ngayo ezimweni ezihlukahlukene. Ezinye - sokufunda, elinye - kukhompyutha yakho, futhi abanye - zokushayela, nokunye.

izibuko Progressive kukhona ithuluzi zakamuva yakhelwe alungise presbyopia. injongo yabo eyinhloko kungenzeka umbono lezinto at amabanga ehlukene. lens Progressive kukhona multifocal kuzo. Bona zihlukaniswe imikhakha eminingana.

lens Progressive endaweni yayo engenhla eyenzelwe bebona izinto kude emehlweni. Ukuba khona kwalesi wemboni evumela ukuba ame isibindi, ebe egcina isikhundla engokwemvelo ekhanda. Ingxenye engezansi le lens yakhelwe embonweni amabanga eduze. Ukuze uyisebenzise, funa sehliselwe phansi. Phakathi zone yasenhla nemithombo yasenzansi kunomehluko kwamandla dioptric, ebizwa ngokuthi amandla add. Kujwayele ingeqi diopters ezimbili noma ezintathu. Phakathi esishintshashintshayo elise inchubekelembili ephasishi. Amandla akhe optical eshintsha ngokushelela, okukuvumela ukuba unikeze umbono ocacile lezinto at amabanga aphakathi. lens Progressive ezinhlangothini emkhakheni azenzelwa emehlweni ngenxa sina ukuhlanekezela optical.

izibuko Modern kunezimo yabo, nakuba inezici ezithile ezingathandeki. lens Progressive, okuyinto Izibuyekezo ukuphakamisa kungenzeka umbono omuhle lezinto at amabanga ehlukene, ukuvumela nepheya elilodwa lezibuko izibuko. Bangakwazi ukufunda, umsebenzi ngesikhathi kusetshenziswa umshini ikhompyutha, iya ku ethiyetha ukuze izinto zihambe umshini. lens Progressive ungayeki gxuma elibukhali isithombe ngesikhathi lapho umbono lihunyushwe okuvela kwezinye izinto ezikude ukuze eduze, sibonga i-corridor inchubekelembili.

Kwenqwaba abakhiqizi inikeza izibuko zanamuhla ezenziwe ngezinto ezahlukene futhi ithengiswe amaqembu ehlukene intengo. Ngokwesibonelo, ama-lens lesichubekako kungenziwa ekhiqizwa kusuka ingilazi kanye plastic. Kungenzeka photochromic futhi ube aspheric design.

I ethile esiphawuleka kunazo zonke izibuko inqubekela phambili impendulo yomsebenzisi, angabhekwa endaweni encane agodliwe ukuze kuhlolwe izinto at amabanga aphakathi nendawo, kanye emkhakheni ukuhlanekezela neuropathy.