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1.56 Bifocal Round Top Photochromic Gray HMC Optical lenses
Likhalase tsa bifocal li loketse haholo-holo ho sebelisoa ke maqheku, 'me li ka finyella pono e haufi le e hole. Ha batho ba tsofala, mahlo a bona a tla foufala, mahlo a bona a fole. ’Me likhalase tsa bifocal li ka thusa batho ba hōlileng ho bona hōle le ho bona haufi.
Lense e 'meli e boetse e bitsoa bifocal lens, eo haholo-holo e kenyelletsang lense e ka holimo e bataletseng, lense e ka holimo e chitja le lense e sa bonahaleng.
Lilense tsa likhalase tsa bifocal lia hlokahala ho kenyelletsa hyperopia diopta, myopia diopta kapa khanya e tlase. Sebaka se hole sa pupillary, haufi le pupillary distance.
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1.56 Bifocal Flat Top Photochromic Gray HMC Optical lenses
Ka litlhoko tsa bophelo ba mehleng ea kajeno, karolo ea likhalase tse fetolang mebala hase feela ho sireletsa mahlo, hape ke mosebetsi oa bonono. Likhalase tsa boleng bo phahameng tse fetolang mebala, tse nang le liaparo tse loketseng, li ka sitisa botho bo sa tloaelehang ba motho. Likhalase tse fetolang mebala li ka fetoha ho ea ka matla a leseli la ultraviolet mme tsa etsa hore 'mala oa eona o fetohe, lense ea pele e bonaletsang e se nang mebala, e kopana le mabone a matla a khanyang, e tla fetoha lilense tse mebala, ho sireletsa, kahoo e loketse ts'ebeliso ea kahare le kantle ka nako e le ngoe. .
