Ka ʻike o nā aniani aniani

1. He aha nā ʻano mea lens i laila?

Nā mea kūlohelohe: pōhaku aniani, paʻakikī kiʻekiʻe, ʻaʻole maʻalahi e wili, hiki ke hoʻouna i nā kukui ultraviolet, a he birefringence.

Nā mea hana: me ke aniani anorganic, ke aniani kūlohelohe a me ka resin optical.

Ke aniani anorganic: Ua hooheheeia mai ka silica, calcium, aluminika, sodium, potassium, a pela aku, me ka maopopo maikai.

ʻO Plexiglass: ʻO ka hui kemika he polymethyl methacrylate.

Optical resin: ʻO ka haku mele ʻana he propylene diethylene glycol carbonate.ʻO nā mea maikaʻi he māmā ke kaumaha, ka hopena o ka hopena, ka hoʻoheheʻe ʻana, a me ka maʻalahi o ka waihoʻoluʻu.

2. He aha nā pōmaikaʻi a me nā pōʻino o nā lens resin?

Pōmaikaʻi: māmā ke kaumaha, ʻaʻole palupalu, ʻaʻohe ʻaoʻao a i ʻole nā ​​kihi ke haki, palekana

Nā pōʻino: ʻoi aku ka mānoanoa o nā lens hiki ʻole ke komo a ʻoi aku ke kiʻekiʻe o ke kumukūʻai

3. He aha ka lens bifocal?

ʻElua mau kukui o ka lens hoʻokahi, ʻo ke kukui luna ka ʻāpana mamao, a ʻo ke kukui haʻahaʻa ka wahi kokoke.

4. He aha nā ʻano o nā lens multifocal?

Hiki i nā makaaniani ke ʻike i kahi mamao, waena a me nā mamao pōkole, maʻemaʻe, nani, no ka poʻe ʻōpio e hoʻomalu i ka myopia, nā poʻe maʻi waena a me nā ʻelemakule me ka presbyopia hiki ke maʻalahi ke ola.

5. He aha ka lens paakiki?

ʻO ka paʻakikī, e like me ka manaʻo o ka inoa, ʻoi aku ka paʻakikī o ka lens ma mua o nā lens maʻamau.Loaʻa i nā lens paʻakikī ke kūpaʻa aʻe.ʻO ke kumumanaʻo, ʻo ka ʻili o ka lens i uhi ʻia me nā ʻāpana ultra-fine kūikawā e hoʻoikaika i ka pale ʻana o ka lens a hoʻolōʻihi i ke ola lawelawe..