1.56 Bifocal Blue Cut HMC Na gani ruwan tabarau
Cikakken Bayani
Wurin Asalin: | Jiangsu | Sunan Alama: | BORIS |
Lambar Samfura: | Blue yanke Lens | Kayan Lens: | Nk-55 |
Tasirin hangen nesa: | Bifocal Lens | Fim Mai Rufi: | HC/HMC/SHMC |
Launin ruwan tabarau: | Fari (na cikin gida) | Launin Rufi: | Kore/Blue |
Fihirisa: | 1.56 | Takamaiman Nauyi: | 1.28 |
Takaddun shaida: | CE/ISO9001 | Abbe Value: | 35 |
Diamita: | 70/28mm | Zane: | Aspherical |
Bifocals sun dace sosai ga tsofaffi. Lokacin da mutane suka kai kimanin shekaru 45, idanunsu suna tsufa kuma ikon daidaitawa ya ragu, don haka suna buƙatar sanya gilashin daban-daban guda biyu don gani kusa da nesa. Bayan amfani da ruwan tabarau na bifocal, za su iya magance waɗannan matsalolin ta hanyar sanya nau'in tabarau guda ɗaya kawai.
Haske biyu shine lokacin da kuke da diopters daban-daban akan ruwan tabarau iri ɗaya, diopters biyu
Ana rarraba shi a wurare daban-daban na ruwan tabarau. Wurin gani mai nisa ana kiransa yankin telophotomic, wanda ke cikin ɓangaren sama na ruwan tabarau. Yankin da ake amfani da shi don duba kusa ana kiransa wurin da ake gani kusa kuma yana cikin ƙananan rabin ruwan tabarau.
Gabatarwar samarwa
Gilashin haske na Anti-blue wani nau'in tabarau ne wanda zai iya hana shudin haske daga idanu masu ban haushi. Gilashin haske na musamman na anti-blue yana iya keɓe ultraviolet da radiation yadda ya kamata da kuma tace hasken shuɗi. Ya dace da amfani lokacin kallon kwamfuta ko TV ko wayar hannu. Idanu na yau da kullun sun dace da fita, yin aikin gida da karatu.