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1.56 Bifocal Round Top Photochromic Gray HMC Optical lens
Magalasi a bifocal ndi oyenera kugwiritsidwa ntchito ndi okalamba, ndipo amatha kuona pafupi ndi kutali.Anthu akadzakalamba, maso awo adzatsika, ndipo maso awo adzakhala opanda mphamvu.Ndipo magalasi a bifocal angathandize okalamba kuona kutali ndi kuona pafupi.
Ma lens apawiri amatchedwanso ma lens a bifocal, omwe makamaka amakhala ndi ma lens apamwamba, ozungulira pamwamba ndi ma lens osawoneka.
Magalasi a magalasi a bifocal amafunikira kuphatikiza hyperopia diopter, myopia diopta kapena kuwala.Mtunda wapatali, pafupi ndi mtunda wa pupillary.
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1.56 Magalasi a Bifocal Flat Top Photochromic Gray HMC Optical
Ndi zofuna za moyo wamakono, ntchito ya magalasi osintha mitundu sikuti imangoteteza maso, ndi ntchito yojambula.Magalasi apamwamba kwambiri osintha mitundu, okhala ndi zovala zoyenera, amatha kulepheretsa munthu kupsa mtima kwambiri.Magalasi osintha mtundu amatha kusintha molingana ndi mphamvu ya kuwala kwa ultraviolet ndikupangitsa kuti mtundu wake usinthe, ma lens owoneka bwino osawoneka bwino, amakumana ndi kuwala kwamphamvu, amakhala magalasi achikuda, kuti atetezeke, oyenera kugwiritsidwa ntchito m'nyumba ndi kunja nthawi yomweyo. .
