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1.56 Bifocal Round Top Photochromic Grey HMC Optical lens
ʻO nā aniani bifocal ka mea kūpono no ka poʻe ʻelemakule e hoʻohana ai, a hiki ke loaʻa i kahi ʻike kokoke a mamao. I ka wā e ʻelemakule ai ka poʻe, e emi ana ka ʻike a lilo ka maka i ka ʻelemakule. A hiki i nā aniani bifocal ke kōkua i ka poʻe ʻelemakule e ʻike mamao a ʻike kokoke.
Ua kapa ʻia ka lens ʻelua he lens bifocal, ʻo ia hoʻi ka nui o nā lens flat top, nā lens poʻe a me nā lens ʻike ʻole.
Pono nā lens o nā aniani bifocal e hoʻokomo i ka hyperopia diopter, myopia diopter a i ʻole downlight. mamao pupillary mamao, near pupillary distance.
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1.56 Bifocal Flat Top Photochromic Gray HMC Optical lens
Me nā koi o ke ola hou, ʻo ka hana o nā aniani hoʻololi kala ʻaʻole ia e pale wale i nā maka, he hana noʻeau. Hiki i kekahi mau makaaniani hoʻololi kala kiʻekiʻe, me nā lole kūpono, hiki ke hoʻopau i ke ʻano kupaianaha o ke kanaka. Hiki i nā aniani hoʻololi kala ke hoʻololi e like me ka ikaika o ke kukui ultraviolet a hoʻololi i kona kala, ʻo ka lens transparent colorless mua, e hālāwai me ka irradiation māmā ikaika, e lilo i mau lens kala, e hana i ka pale, no laila kūpono no ka hoʻohana ʻana i loko a me waho i ka manawa like .
