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1.71 Ngā arotahi whatu HMC Tirohanga Kotahi
Arotahi 1.71 Ingoa katoa Ko te arotahi taupū whakaata 1.71, he teitei te taupū whakaata, he nui te whakawhiti, he teitei ngā āhuatanga o te tau Abbe, i roto i te take o te tohu myopia kotahi, ka taea te whakaiti i te matotoru o te arotahi, te whakaiti i te kounga o te arotahi, i te wa ano, ka hanga te arotahi kia parakore, kia kanapa ake, kāore e ngawari ki te marara te kakano āniwaniwa. Kua kitea ko te tāpiri i te kapia sulfide hurihuri ki roto i te rauemi arotahi ka taea te whakapai ake i te taupū whakaata o te arotahi, engari ko te nui rawa o te kapia sulfide hurihuri ka arahi ki te whakaiti i te whakawhiti mārama me te pakaru o te rauemi. Mā te whakahaere tika i te ihirangi o te kapia whanariki mowhiti i roto i te kapia 1.71KR, ka tutuki i te arotahi 1.71 te taupū whakaata teitei me te tau abbe me te whakarite kia pai te whakawhiti mārama, kia iti te marara me te tirohanga mārama ake.
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1.56 Tirohanga Kotahi HMC
Karu whakaata, e kiia ana hoki te karu whakaata he pokapū whakaata, ko te pokapū peita i muri i te whakairinga, he pai mō te whakapiri ki roto i te anga whakaata, nō reira e kiia ana ko te pokapū whakaata. Ka taea te whakapae, te poutū rānei tōna āhua, he māmā noa iho, he watea hoki te tāutanga.
Whakarōpūtanga: Ka taea te wehewehe i ngā karu arotahi ki ngā momo e whā e whai ake nei, e ai ki ngā rauemi rerekē:
Arotahi kapia, arotahi motuhake, arotahi ātea, arotahi karāhe
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1.49 Tirohanga Kotahi UC
Ko te taupū whakaata o te arotahi, 1.49, 1.56, 1.60, 1.67, 1.71, 1.74 kei te tohu o runga o te arotahi, e tohu ana i te taupū whakaata o te arotahi. Mō ngā mōhiti matapōkere, ko te teitei ake o te taupū whakaata o te arotahi, ko te angiangi ake o te taha o te arotahi, i runga i te whakaaro he rite tonu ngā tawhā kē atu.
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Ngā karaihe mōhiti CR39
He momo hua tiaki tirohanga ngā mōhiti rā hei ārai i te kino o ngā kanohi tangata i puta mai i te kaha o te rā. Nā te whakapainga o te taumata rauemi me te taumata ahurea o te tangata, ka taea te whakamahi i ngā mōhiti rā hei taputapu motuhake mō te ataahua, mō te āhua whaiaro rānei.
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1.74 MR-174 FSV Taupū Teitei HMC arotahi whatu
Ko te tikanga, ina kōrero tātou mō te taupū o te karāhe kapia, kei waenganui i te 1.49 – 1.56 – 1.61 – 1.67 – 1.71 – 1.74. Nō reira, ko te mana kotahi, ko te 1.74 te mea angiangi rawa, ko te teitei ake o te mana, ko te kitea ake o te pānga.
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1.67 MR-7 FSV Ngā arotahi whatu HMC Taupū Teitei
E rua ngā momo rauemi o te arotahi taupū 1.67, ko te rauemi MR-7 me te rauemi MR-10.
Engari ko te rauemi MR-7 te rauemi e whakamahia whānuitia ana, e mōhiotia whānuitia ana hoki i te rauemi MR-10.
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1.61 MR-8 FSV Ngā arotahi whatu HMC Taupū Teitei
E rua ngā momo o te arotahi taupū 1.61, arā, te arotahi MR-8 1.61 me te arotahi kiriaku 1.61.
Ka pai ake te mau o te karaihe arotahi 1.61 MR-8, nā te mea he pai te uara o Abbe:41.
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1.59 Ngā karaihe whatu Polycarbonate HMC
Ko ngā karāhe kapia whānui he rauemi totoka wera, arā, he wai ngā rauemi mata, ā, ka hangaia ngā karāhe totoka i muri i te whakamahana. Ko ngā karāhe PC, e mōhiotia ana ko ngā "karāhe ātea", "karāhe ātea", e kiia ana he polycarbonate, he rauemi kirihou wera.
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1.56 Arotahi whatu arotahi rua-arotahi papatahi / porowhita / whakaranu HMC
Ko ngā karāhe arotahi-rua he karāhe mōhiti kei roto ngā rohe whakatikatika e rua, ā, e whakamahia ana mō te whakatikatika i te tirohanga tawhiti. Ko te wāhi e whakatikahia ai e ngā karāhe arotahi-rua te tirohanga tawhiti ka kiia ko te wāhi tirohanga tawhiti, ā, ko te wāhi e whakatika ana i te wāhi tirohanga tata ka kiia ko te wāhi tirohanga tata me te wāhi pānui. I te nuinga o te wā, he nui ake te wāhi tawhiti, nō reira ka kiia hoki ko te poro matua, ā, he iti ake te wāhi tata, ka kiia ko te poro iti.
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1.56 Ngā karaihe whatu HMC Porgressive
He momo arotahi maha-arotahi te arotahi a te arotahi whakamua, he rerekē i ngā mōhiti pānui tuku iho me ngā mōhiti pānui arotahi-rua. Kāore ngā arotahi whakamua e ngenge i te hiahia ki te whakarerekē tonu i te roa arotahi ina whakamahia ana ngā roa arotahi-rua, ā, kāore he rārangi mārama i waenganui i ngā roa arotahi e rua. He rārangi wehewehe. He pai ki te mau, ā, he ātaahua te āhua, ā, kua piki haere te rongonui hei whiringa pai mō te hunga whai presbyopia.
