1.56 Arotahi whatu arotahi rua-arotahi papatahi / porowhita / whakaranu HMC
Ngā Taipitopito Whakaputa
| Te Wāhi Taketake: | Jiangsu | Ingoa Waitohu: | Pōri |
| Tauira Tau: | Matarua-aroaroArotahi | Rauemi Arotahi: | NK-55 |
| Pānga Tirohanga: | Matarua-aroaro | Kiriata Paninga: | UC/HC/HMC |
| Tae o ngā Arotahi: | Mā | Tae Paninga: | Kakariki/Kikorangi |
| Rārangi: | 1.56 | Taumaha Motuhake: | 1.28 |
| Tiwhikete: | CE/ISO9001 | Uara o Abbe: | 38 |
| Diameter: | 70mm | Hoahoa: | Papatahi/Porowhita/Whakaranu |
E rua noa iho ngā nekehanga o te arotahi bifocales, e wehea ana ki te mārama o runga me te mārama o raro. Ko te mārama o runga me te mārama o raro ka taea te myopia, te hyperopia, te astigmatism, me ētahi atu, engari he hohonu ake te mārama o runga i te mārama o runga mō te myopia, ā, he pāpaku ake mō te tirohanga tawhiti.
Ko te whanaketanga whakamua e ahu whakamua ana i runga i te kaupapa o te mārama takirua. Ehara i te mea ko ngā āhuatanga o te mārama takirua anake, tae atu ki te mārama o runga me te mārama o raro, engari he tukanga āta haere anō hoki kei waenganui. Ko te nekehanga i waenga i te mārama o runga me te mārama o raro he tukanga panoni āta haere.
I te mata, e kitea ana te rerekētanga i waenga i te mārama takirua. Ka kitea te rārangi wehewehe, te hononga rānei i waenga i te mārama o runga me te mārama o raro, engari kāore e kitea he rerekētanga e te mata o te karu arotahi haere whakamua.
Ki te rohe whakawhiti, kāore he raruraru peke arewhana. Arā, mai i tawhiti ki tata, mai i tata ki tawhiti, ki te kore he rohe whakawhiti, mai i tata ki tawhiti, mai i tawhiti ki tata, kāore he pareparenga nui.
Whakataki Whakaputa
Ko te Bifocal e pā ana ki ngā mana dioptric e rua i runga i te arotahi kotahi, ngā mana dioptric e ruahe dKa tohatohahia ki ngā wāhi rerekē o te arotahi, ko te wāhi e whakamahia ana hei tiro i tawhiti ka kiia ko te rohe tawhiti, kei te haurua o runga o te arotahi; ko te wāhi e whakamahia ana hei tiro tata ka kiia ko te rohe tata, kei te haurua o raro o te arotahi.
Ngā Painga o ngā Karuārai Mata: Ka taea e koe te kite i ngā mea i tawhiti mā te wāhi tirohanga tawhiti o tētahi takirua karuārai, ā, ka taea hoki e koe te kite i ngā mea i tawhiti mā te wāhi tirohanga tata o tētahi takirua karuārai kotahi. Kāore koe e hiahia ki te kawe i ngā takirua karuārai e rua, ā, kāore koe e hiahia ki te whakawhiti i waenga i ngā karuārai tawhiti me ngā karuārai tata i ngā wā katoa.
Ngā ngoikoretanga o ngā karāhe arotahi-rua: He iti ake te whānuitanga o te tirohanga i ērā o ngā karāhe tirohanga-kotahi, inā koa te tirohanga tata. Hei tauira, me mahi tahi te pānui pukapuka me ngā nūpepa me ngā nekehanga o te upoko. He hapa tirohanga kei te pekepeke me te nekehanga o te ahua, ā, he rārangi wehewehe kei reira, e ngāwari ana te kite i te mau. Whakaaturia te pakeketanga ki ngā karāhe arotahi-rua.
Tukanga Hua
