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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, angapangitse kuti munthu asakhale ndi khalidwe loipa. Magalasi osintha mtundu amatha kusintha malinga ndi mphamvu ya kuwala kwa ultraviolet ndikupangitsa kuti mtundu wake usinthe, magalasi owoneka bwino osawoneka bwino, amakumana ndi kuwala kowala kwambiri, amakhala magalasi achikuda, oteteza, oyenera kugwiritsidwa ntchito m'nyumba ndi panja nthawi yomweyo. .
