Ua hoʻomohala ʻia ka Polycarbonate i nā makahiki 1970 no nā noi aerospace a i kēia manawa ke hoʻohana ʻia nei no nā hiʻohiʻona mahiole o nā astronauts a no nā pale makani mokulele.
Ua hoʻokomo ʻia nā aniani aniani i hana ʻia me ka polycarbonate i nā makahiki 1980 mua i pane i kahi koi no nā lens māmā a me ka hopena.
Mai ia manawa, ua lilo nā lens polycarbonate i mea maʻamau no nā aniani palekana, nā aniani haʻuki a me nā maka o nā keiki.
No ka mea ʻoi aku ka liʻiliʻi o ka haki ʻana ma mua o nā lens plastik maʻamau, ʻo nā lens polycarbonate kekahi koho maikaʻi no nā hoʻolālā maka aniani ʻole kahi i hoʻopili ʻia ai nā lens i nā ʻāpana kiʻi me nā puʻu drill.
Nā leka PhotochromicʻO nā lens e pōʻeleʻele ke ʻike ʻia i ke kukui ultraviolet (UV).Loaʻa i kēia mau lens kahi hiʻohiʻona kūikawā e pale i kou mau maka mai ke kukui UV ma ka pōʻeleʻele.E pōʻeleʻele ana nā makaaniani i kekahi mau minuke ke noho ʻoe i ka lā.
ʻOkoʻa ka manawa e pōʻeleʻele ai ma muli o ka brand a me nā mea ʻē aʻe e like me ka mahana, akā ʻeleʻele lākou i loko1-2mau minuke, a hoʻopaʻa i kahi 80% o ka lā.Hoʻomaʻamaʻa pū nā lens photochromic e hoʻopau i ka mālamalama i loko o ka hale i loko o 3 a 5 mau minuke.E pōʻeleʻele ana lākou ke ʻike ʻia kekahi hapa i ka kukui UV - e like me ka lā ao.
He kūpono kēia mau aniani i ka wā e hele ai ʻoe i waho a i waho o UV (ka lā) i kēlā me kēia manawa.
Hoʻolālā ʻia nā lens photochromic polū polū no nā kumu like ʻole, loaʻa iā lākou nā mana pale kukui polū.
ʻOiai ʻaʻole like ke kukui UV a me ke kukui polū, hiki ke hoʻopōʻino ke kukui polū i kou mau maka, ʻoi aku ka lōʻihi o ka ʻike ʻana i nā pale kikohoʻe a me ka lā pololei.Hiki i nā kukui ʻike ʻole a ʻike hapa ʻia ke loaʻa nā hopena maikaʻi ʻole i kou olakino maka.Pale aku nā lens photochromic poloka polū i ka pae ikehu kiʻekiʻe loa ma ke kiko kukui, ʻo ia hoʻi, pale pū lākou i ke kukui polū a maikaʻi no ka hoʻohana kamepiula.
ʻO nā lens progressive nā lenses ʻenehana i ʻike ʻia he no-bifocals.No ka mea, hoʻopuni lākou i kahi ʻano hiʻohiʻona e ʻokoʻa ana mai kahi mamao a i waena a kokoke paha, hiki i ke kanaka ke nānā i nā mea mamao a kokoke a me nā mea āpau ma waena.He kumu kūʻai lākou i ka hoʻohālikelike ʻia me nā bifocals akā hoʻopau lākou i nā laina i ʻike ʻia i nā lens bifocal, e hōʻoiaʻiʻo ana i kahi ʻike ʻole.
Loaʻa paha i ka poʻe e loaʻa ana i ka Myopia a i ʻole ka ʻike kokoke i kēia ʻano lens.No ka mea, i kēia kūlana, hiki iā ʻoe ke nānā pono i nā mea kokoke akā ʻike ʻia nā mea ma kahi mamao.No laila, kūpono nā lens holomua no ka hoʻoponopono ʻana i nā wahi like ʻole o ka ʻike a hōʻemi i ka manawa o ke poʻo a me ka ʻeha o ka maka ma muli o ka hoʻohana ʻana i ka kamepiula a me ka squinting.