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Magalasi a 1.56 Bifocal Round Top Photochromic Gray HMC Optical
Magalasi a bifocal ndi oyenera kwambiri okalamba kugwiritsa ntchito, ndipo amatha kupangitsa kuti maso awo azioneka pafupi ndi kutali. Anthu akakalamba, maso awo amafooka ndipo maso awo amakalamba. Ndipo magalasi a bifocal angathandize okalamba kuona kutali ndi kuwona pafupi.
Lenzi iwiri imatchedwanso bifocal lens, yomwe makamaka imakhala ndi lenzi ya flat top, lenzi yozungulira top ndi lenzi yosaoneka.
Magalasi a magalasi a bifocal amafunika kuphatikiza hyperopia diopter, myopia diopter kapena downlight. Mtunda wakutali wa ana aang'ono, pafupi ndi ana aang'ono.
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1.56 Bifocal Flat Top Photochromic Gray HMC Optical lens
Ndi zofuna za moyo wamakono, ntchito ya magalasi osintha mitundu sikuti amangoteteza maso okha, komanso ndi ntchito yaluso. Magalasi awiri apamwamba osintha mitundu, okhala ndi zovala zoyenera, amatha kulepheretsa khalidwe la munthu lodabwitsa. Magalasi osintha mitundu amatha kusintha malinga ndi mphamvu ya kuwala kwa ultraviolet ndikupanga mtundu wake kusintha, lenzi yoyambirira yowonekera yopanda mtundu, ikakumana ndi kuwala kwamphamvu, idzakhala magalasi amitundu, kuti ateteze, kotero oyenera kugwiritsidwa ntchito m'nyumba ndi panja nthawi imodzi.
