SETO 1.56 lens bifocal flat-luna HMC
Hōʻike
1.56 leki maka bifocal flat-luna | |
Hoʻohālike: | 1.56 leki uila |
Kahi i kumu: | Jiangsu, Kina |
Brand: | SETO |
Mea Lenses: | Resin |
Hana | Bifocal luna pālahalaha |
Kalai Makani | Akaka |
Hōʻike Hōʻikeʻike: | 1.56 |
anawaena: | 70mm |
Waiwai Abbe: | 34.7 |
Kaumaha kikoʻī: | 1.27 |
Ka lawe ʻana: | >97% |
Koho i ka uhi: | HC/HMC/SHMC |
kala kala | ʻōmaʻomaʻo |
Mana Mana: | Sph: -2.00~+3.00 Hoʻohui: +1.00~+3.00 |
Nā hiʻohiʻona huahana
1. He aha nā ʻano o nā bifocals?
Nā hiʻohiʻona: ʻelua mau kiko kiko ma kahi lens, ʻo ia hoʻi, kahi lens liʻiliʻi me ka mana ʻokoʻa i hoʻopaʻa ʻia ma luna o kahi lens maʻamau;
Hoʻohana ʻia no nā poʻe maʻi me ka presbyopia e ʻike i kahi mamao a kokoke;
ʻO ka luna ke kukui i ka nānā ʻana i kahi mamao (i kekahi manawa palahalaha), a ʻo ke kukui haʻahaʻa ka mālamalama ke heluhelu;
Ua kapa ʻia ka degere mamao i ka mana kiʻekiʻe a ua kapa ʻia ke degere kokoke i ka mana haʻahaʻa, a ʻo ka ʻokoʻa ma waena o ka mana kiʻekiʻe a me ka mana haʻahaʻa ua kapa ʻia ʻo ADD (mana hoʻohui).
E like me ke ʻano o ka ʻāpana liʻiliʻi, hiki ke hoʻokaʻawale ʻia i ka bifocal flat-top, round-top bifocal a pēlā aku.
Pōmaikaʻi: ʻAʻole pono nā poʻe maʻi presbyopia e pani i nā aniani ke ʻike lākou i kahi kokoke a mamao.
Nā pōʻino: lele ʻana i ke ʻano i ka nānā ʻana i ka huli ʻana mamao a kokoke;
Mai ka helehelena, ʻokoʻa ia mai ka lens maʻamau.
2. He aha ka Laulā Māhele o nā lens bifocal?
Loaʻa nā lens bifocal me hoʻokahi ʻāpana laula: 28 mm.ʻO ka helu ma hope o ka "CT" ma ka inoa huahana e hōʻike ana i ka laula o ka māhele ma nā millimeters.
3. He aha ka palahalaha Top 28 Bifocal lens?
Hāʻawi ka lens flat top 28 i ka hoʻoponopono no ka mamao kokoke a mamao.He lens multifocal ia i kuhikuhi pinepine ʻia no ka poʻe e loaʻa ana i ka presbyopia a me ka hypermetropia, kahi maʻi e hōʻike ai ka maka me ka makahiki, i ka hiki ke hoʻemi iki i ka nānā ʻana i nā mea kokoke a mamao.Aia i loko o ka lens flat top kahi māhele ma ka hapa haʻahaʻa o ka lens me kahi palapala kauoha no ka heluhelu ʻana (kokoke mamao).He 28mm ka laula o ka piko palahalaha 28 ma ka piko o ka bifocal a me he mea la ua huli ka Letter D i 90 degere.
No ka mea, ʻo ka flat top bifocal kekahi o nā lens multifocal maʻalahi loa e hoʻololi, ʻo ia kekahi o nā lens bifocal kaulana loa i ka honua.ʻO ka "lele" ʻokoʻa mai kahi mamao a kokoke i ka hihiʻo e hāʻawi i nā mea hoʻohana i ʻelua mau wahi i hoʻokaʻawale maikaʻi ʻia o kā lākou mau aniani e hoʻohana ai, ma muli o ka hana ma ka lima.ʻIke ʻia ka laina no ka mea hiki koke ka hoʻololi ʻana i nā mana me ka pōmaikaʻi ʻo ia ka hāʻawi ʻana iā ʻoe i ka wahi heluhelu ākea loa me ka nānā ʻole ʻana i lalo o ka lens.He mea maʻalahi hoʻi ke aʻo ʻana i ke kanaka pehea e hoʻohana ai i ka bifocal no ka mea e hoʻohana wale ʻoe i ka luna no ka mamao a me ka lalo no ka heluhelu ʻana.
4. He aha ka ʻokoʻa ma waena o HC, HMC a me SHC?
Paʻa paʻa | ʻO ka uhi AR/Ka uhi nui paʻakikī | Ka uhi ʻana o ka super hydrophobic |
paʻakikī ka lens uncoated a hoʻonui i ka pale abrasion | hoʻonui i ka transmittance o ka lens a hōʻemi i ka noʻonoʻo ʻana o ka ʻili | hana i ka lens i wai ʻole, antistatic, anti slip a me ka ʻaila |