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1.59 PC Bifocal Invisible Photochromic Grey HMC Optical arotahi
I tēnei wā, e rua ngā momo rauemi arotahi kei te mākete, ko tētahi he rauemi karāhe, ko tētahi he rauemi kapia. Kua wehea ngā rauemi kapia ki te CR-39 me te polycarbonate (rauemi PC).
Ko ngā karāhe arotahi-rua, ko ngā karāhe arotahi-rua rānei, he karāhe kei roto ngā wāhi whakatikatika e rua i te wā kotahi, ā, ko te nuinga o te wā e whakamahia ana hei whakatika i te presbyopia. Ko te wāhi tawhiti i whakatikatikaina e te karāhe arotahi-rua ka kiia ko te wāhi tawhiti, ā, ko te wāhi tata ka kiia ko te wāhi tata me te wāhi pānui. I te nuinga o te wā, he nui te rohe tawhiti, nō reira ka kiia hoki ko te kiriata matua, ā, he iti te rohe tata, nō reira ka kiia ko te kiriata-iti.
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1.59 PC Progressive Photochromic Gray HMC Optical arotahi
Ko te arotahi huri-tae e hangai ana ki te mātāpono o te tautometry photochromatic ka taea te whakapouri wawe i raro i te mārama kaha me te mārama ultraviolet, ka ārai i te mārama kaha me te mimiti i te mārama ultraviolet; i muri i te hokinga ki te pōuri, ka tere te whakahoki mai o te arotahi i te āhua kore-tae me te mārama hei whakarite i te whakawhiti o te arotahi. Nō reira, he tino pai te arotahi huri-tae mō te whakamahinga o roto, o waho hoki, inā koa i te taiao o waho hei ārai i te mārama kaha, te ultraviolet, te kanapa me ētahi atu kino ki ngā kanohi, he pai mō waho, he nui ake te aro o ngā kanohi ki te whakaohooho mārama, ka whakaiti i te ngenge o te kanohi. I muri i te mau i ngā mōhiti huri-tae, ka kite koe i te āhua maori me te whakamarie i raro i te mārama kaha, ka karo i ngā nekehanga utu pēnei i te kamo, ka whakaiti i te ngenge o ngā kanohi me ngā uaua huri noa i ngā kanohi.
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1.56 Ngā arotahi whatu HMC hina whakaahua-whakamua
Ko ngā karaihe whatu-whakarerekē tae he mea whakamahi mō ngā mōhiti o ia rā, mō ngā tari o roto, mō ngā hākinakina o waho, ā, ka taea te mau. Ina koa ko te hunga e haere ana ki waho mō ngā hararei, ngā kaimahi tino uaua i te takutai moana, te hukarere, te hunga pārūrū rānei, te hunga whakaahua, te hunga tūruhi, te hunga hī ika, te hunga pakeke me te hunga kaumātua, te hunga e mataku ana ki te hihi o te kanohi, me mau mōhiti kanohi e kore e taea te kite i te mārama, he maha ngā mahi o roto i waho e whakawhiti ana i ngā taiohi, me te hunga e whai ana i te ahua o ngā rōpū taitamariki.
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1.56 Ngā arotahi whatu HMC hina porowhita-rua-arotahi
He pai ngā mōhiti arotahi-rua mō te hunga kaumātua, ā, ka taea te kite tata me te kite tawhiti. Ina kaumātuatia te tangata, ka heke te tirohanga, ā, ka tawhito haere ō rātou kanohi. Ā, ka taea e ngā mōhiti arotahi-rua te āwhina i te hunga kaumātua ki te kite i tawhiti, ki te kite tata hoki.
Ko te arotahi takirua e kiia ana ko te arotahi arotahi-rua, ko te nuinga o ēnei ko te arotahi papatahi, te arotahi porowhita me te arotahi kore e kitea.
Me whakauru ngā karāhe o ngā mōhiti tirohanga rua ki te diopter hyperopia, te diopter myopia, te downlight rānei. Te tawhiti o te pupillary tawhiti, te tawhiti tata o te pupillary.
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1.56 Ngā arotahi whatu HMC hina papatahi, papatahi, me te arotahi rua-arotahi
I runga i ngā tono o te ao hou, ko te mahi a ngā mōhiti whakarerekē tae ehara i te mea hei tiaki i ngā kanohi anake, engari he mahi toi anō hoki. Mā te takirua mōhiti whakarerekē tae kounga teitei, me ngā kākahu e tika ana, ka taea te whakakore i te āhua ahurei o te tangata. Ka taea e ngā mōhiti whakarerekē tae te whakarerekē i runga i te kaha o te hihi ultraviolet, ā, ka rerekē tōna tae. Ko te karāhe mārama kore tae taketake, ka pāngia e te hihi kaha o te mārama, ka huri hei karāhe tae, hei tiaki, nō reira he pai mō te whakamahi i roto, i waho hoki i te wā kotahi.
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1.59 Ngā karaihe whatu HMC hina whakaahua-kōwhai
Ko te PC, e mōhiotia ana i roto i te matū ko te polycarbonate, he kirihou hangarau e pai ana ki te taiao. Ngā āhuatanga o te rauemi PC: he mama, he kaha te pānga, he pakeke, he teitei te taupū whakaata, he pai ngā āhuatanga miihini, he pai te kirihou wera, he pai te mahi whakamarumaru hiko, kāore he parahanga ki te taiao me ētahi atu painga. He whānuitia te whakamahinga o te PC i roto i te kōpae CDVCDDVD, ngā wāhanga motuka, ngā rama me ngā taputapu, ngā matapihi karāhe i roto i te umanga kawe waka, ngā taputapu hiko, te tiaki hauora, te whakawhitiwhiti kōrero whatu, te hanga karaihe mō ngā karu me te maha atu o ngā umanga.
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1.74 Spin Photochromic Gray HMC Optical arotahi
Ko te painga o te karu hurihuri tae, i roto i te taiao o waho o te rā, ka āta huri te karu mai i te kore tae ki te hina, ā, i muri i te hokinga mai i te taiao ultraviolet ki te rūma ka āta hoki ki te kore tae, ka whakatauhia te raruraru o te mau karu mō te myopia, ā, ka tutuki he takirua o roto, o waho hoki.
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1.71 Spin Photochromic Gray HMC Optical arotahi
Ka huri te arotahi tae atamai i te kaha o te mārama ultraviolet, ka whakarite aunoa i te hohonu o te tae, he maha ngā mahi a te whakaata kotahi, kāore he raruraru whakawhiti, he watea ake te whakamahi i roto, i waho hoki, he nui ake te tiaki kanohi.
Ka whakaatuhia e te tauwehenga huringa tae atamai te tohatoha hanganga kutikuti, ina whakaatuhia ki te hihi ultraviolet, ka kati aunoa te ngota ngota hei aukati i te urunga o te mārama, ma te whakamahi i tana urupare whakaahua me te tae pai, ka tere te urupare ki nga huringa mārama, ka pai ake te whai hua.
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1.67 Spin Photochromic Gray HMC Optical arotahi
Ko ngā karāhe huri-tae, e mōhiotia ana ko ngā "karāhe whakaahua-arotahi". E ai ki te mātāpono o te tauhohenga whakahurihuri whakaahua-kāhua, ka taea e te karāhe te pōuri wawe i raro i te mārama me te hihi ultraviolet, te aukati i te mārama kaha me te mimiti i te mārama ultraviolet, me te whakaatu i te mimiti koretake o te mārama e kitea ana. Ka hoki ki te pōuri, ka taea te whakahoki wawe i te āhua mārama kore-tae, me te whakarite i te whakawhiti o te karāhe. Nō reira, he pai ngā karāhe huri-tae mō te whakamahi i roto, i waho hoki i te wā kotahi hei ārai i te kino o te rā, te mārama ultraviolet me te kanapa ki ngā kanohi.
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1.61 Spin Photochromic Gray HMC Optical arotahi
Arotahi Hurihanga Paninga: Ka whakamahia e te hurihanga paninga hurihuri te hangarau hurihanga hurihuri, e tino whakakore ana i te hangarau hurihanga taketake o mua. Ki te whakatauritea ki te hurihanga turanga, he ōrite, kāore he tae papamuri; ki te whakatauritea ki te tikanga hurihanga kiriata tuku iho, he pai ake i te tikanga rumaki. Ka whakanohoia te wai hurihanga tae me te wai whakapakeke ki roto i ngā tukanga rerekē, e kore e whakarite noa i te piri o te wai hurihanga tae, e pupuri katoa ana i tōna kaha hurihanga tae, engari ka whakaatu hoki i te pānga whakapiri whakapakeke me te whakapakari i te pakeke. Mā te hangarau paninga hurihanga paparua me te tiaki whakapakeke, ka tino pai ake te kounga o te tukanga. Ngā Painga: tere me te ōrite te hurihanga tae. Kāore e herea e te rauemi, ā, ka taea te tukatuka i tētahi mata aspheric noa, 1.56, 1.61, 1.67, 1.74, me ētahi atu, hei arotahi hurihanga kiriata. He maha atu ngā momo, ā, he maha atu ngā kōwhiringa a ngā kaihoko.
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1.56 Ngā arotahi whatu HMC tae whakaahua
Ko ngā karāhe arotahi whakaahua-ira, e mōhiotia ana ko ngā "karāhe arotahi whakaahua-ira". E ai ki te kaupapa o te tauhohenga whakawhiti tae-mārama ka taea te whakapouri wawe i raro i te hihi o te mārama me ngā hihi ultraviolet, ka ārai i te mārama kaha me te mimiti i ngā hihi ultraviolet, ka mimiti noa i te mārama e kitea ana; ina hoki ki te wāhi pōuri, ka taea te whakahoki wawe i te āhua kore tae me te mārama, kia pai ai te whakawhiti o te karāhe. Nō reira, he pai ngā karāhe arotahi whakaahua-ira mō te whakamahi i roto, i waho hoki hei ārai i te kino o ngā kanohi mai i te rā, te mārama ultraviolet me te kanapa.
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1.56 FSV Photo Gray HMC Optical arotahi
Ehara i te mea ka whakatika noa ngā karāhe whakaahua-ira i te tirohanga, engari ka ātete hoki i te nuinga o ngā kino o ngā hihi UV ki ngā kanohi. He maha ngā mate kanohi, pērā i te mate kanohi e pā ana ki te koroheketanga, te mate pūkahukahu, te katarata tawhito me ētahi atu mate kanohi, e pā tika ana ki te hihi ultraviolet, nō reira ka taea e ngā karāhe whakaahua-ira te tiaki i ngā kanohi ki tētahi taumata.
Ka taea e ngā karāhe arotahi whakaahua-ira te whakarerekē i te whakawhiti mārama mā te whakarerekētanga o te tae o te karāhe arotahi, kia taea ai e te kanohi te urutau ki te huringa o te mārama ā-taiao, te whakaiti i te ngenge tirohanga me te tiaki i ngā kanohi.
