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 pale ʻana i ka hopena, ka hoʻoheheʻe ʻana, a me ke kala maʻalahi.
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 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 pale ʻana i ka lole. 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. .
Ka manawa hoʻouna: Oct-26-2021