1.499 1.56 palahalaha luna a puni i hui ʻia ma luna HMC 70/28mm bifocal lens kūʻai wela nā lens optical

He aha nā Lenses Bifocal & Pehea lākou e hana ai?

Nui nā ʻano like ʻole o nā lens i loaʻa i kēia lā, ʻo ka hapa nui o lākou e hoʻokō ana i ke kumu like a i ʻole nā ​​kumu he nui.Ma ka moʻomanaʻo moʻomanaʻo o kēia mahina e kūkākūkā mākou i nā lens bifocal, pehea lākou e hana ai, a he aha nā pōmaikaʻi o ia mau mea no nā hemahema o ka ʻike.

Loaʻa i nā lens maka aniani Bifocal nā mana lens ʻelua e kōkua iā ʻoe e ʻike i nā mea ma nā mamao a pau ma hope o kou nalowale ʻana i ka hiki ke hoʻololi maoli i ka nānā ʻana o kou mau maka ma muli o ka makahiki, i kapa ʻia ʻo presbyopia.Ma muli o kēia hana kikoʻī, ʻōlelo pinepine ʻia nā lens bifocal i nā poʻe ma luna o 40 mau makahiki e kōkua i ka hoʻopaʻi ʻana i ka hōʻino kūlohelohe o ka ʻike ma muli o ke kaʻina hana ʻelemakule.

ʻOiai ke kumu e pono ai ʻoe i kahi ʻōlelo kuhikuhi no ka hoʻoponopono ʻana i ka ʻike kokoke, hana like nā bifocals āpau.Aia ma kahi ʻāpana liʻiliʻi ma ka ʻaoʻao haʻahaʻa o ka lens ka mana e pono ai e hoʻoponopono i kāu ʻike kokoke.ʻO ke koena o ka lens no kāu ʻike mamao.ʻO ka māhele lens i hoʻolaʻa ʻia no ka hoʻoponopono ʻana i ka ʻike kokoke hiki ke lilo i kekahi o nā ʻano like ʻole:

• He hapalua mahina - i kapa ʻia he ʻāpana pālahalaha, luna pololei a D paha
• He mahele poepoe
• He wahi huinahā haiki, i ʻike ʻia he ʻāpana lipine
• ʻO ka hapa piha o lalo o ka lens bifocal i kapa ʻia ʻo ke ʻano Franklin, Executive a i ʻole E

ʻO ka mea maʻamau, ke kau nei ʻoe i nā lens bifocal, nānā ʻoe i luna a ma ka ʻāpana mamao o ka lens ke nānā aku ʻoe i nā wahi i kahi mamao aku, a nānā ʻoe i lalo a ma o ka māhele bifocal o ka lens ke nānā ʻoe i ka heluhelu heluhelu a i ʻole nā ​​mea i loko o 18 iniha o kou mau maka. .ʻO ia ke kumu i kau ʻia ai ka ʻāpana bifocal haʻahaʻa o ka lens no laila e kau ka laina e hoʻokaʻawale ana i nā ʻāpana ʻelua i ke kiʻekiʻe like me ka lihilihi haʻahaʻa o ka mea hoʻohana.Inā manaʻo ʻoe ʻo nā lens bifocal, a i ʻole nā ​​lens multifocal holomua holomua paha, ʻo ia ke koho kūpono no kou hemahema ʻike a laila e komo i Convox Optical i kēia lā a hiki i kā mākou limahana aloha a mākaukau ke kōkua iā ʻoe i ke koho kūpono o nā lens a me nā kiʻi.