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Malebela a ho Bala likhalase
Ho na le litšōmo tse tloaelehileng mabapi le likhalase tsa ho bala. E 'ngoe ea litšōmo tse tloaelehileng: Ho roala likhalase tsa ho bala ho tla etsa hore mahlo a hao a fokotsehe. Seo ha se nnete. Leha ho le joalo, tšōmo e 'ngoe: Ho buuoa ka cataract ho tla lokisa mahlo a hao, ho bolelang hore u ka lahla likhalase tsa hao tsa ho bala ...Bala haholoanyane -
Bophelo bo botle ba mahlo le polokeho bakeng sa baithuti
Joaloka batsoali, re ananela motsotso o mong le o mong oa khōlo le khōlo ea ngoana oa rona. Ka semester e ncha e tlang, ho bohlokoa ho ela hloko bophelo bo botle ba mahlo a ngoana oa hau. Ho khutlela sekolong ho bolela lihora tse telele tsa ho ithuta ka pel'a k'homphieutha, tablet, kapa lisebelisoa tse ling tsa digital ...Bala haholoanyane -
Bophelo bo Botle ba Mahlo a Bana bo atisa ho hlokomolohuoa
Phuputso ea morao tjena e senola hore bophelo bo botle ba mahlo le pono ea bana hangata li hlokomolohuoa ke batsoali. Patlisiso eo, e leng mehlala ea likarabo ho batsoali ba 1019, e senola hore motsoali a le mong ho ba tšeletseng ha ho mohla a kileng a tlisa bana ba bona ngakeng ea mahlo, athe boholo ba batsoali (liperesente tse 81.1) ...Bala haholoanyane -
Mokhoa oa ntlafatso oa likhalase tsa mahlo
Likhalase tsa mahlo li hlile li qapiloe neng? Le hoja mehloli e mengata e bolela hore likhalase tsa mahlo li qapiloe ka 1317, khopolo ea likhalase e ka 'na eaba e qalile khale hoo e ka bang 1000 BC Mehloli e meng e boetse e bolela hore Benjamin Franklin o ile a qapa likhalase, le ...Bala haholoanyane -
Vision Expo West le Silmo Optical Fair - 2023
Vision Expo West (Las Vegas) 2023 Booth No: F3073 Nako ea pontšo: 28 Sep - 30Sep, 2023 Silmo (Pairs) Optical Fair 2023 --- 29 Sep - 02 Oct, 2023 Booth No: e tla fumaneha le ho eletsoa hamorao Nako ea Show: 20 O2Bala haholoanyane -
Lilense tsa Polycarbonate: Khetho e sireletsehileng ka ho fetisisa bakeng sa bana
Haeba ngoana oa hao a hloka likhalase tsa mahlo tseo ngaka e faneng ka tsona, ho boloka mahlo a hae a sireletsehile e lokela ho ba ntho ea bohlokoa ka ho fetisisa ho uena. Likhalase tse nang le lilense tsa polycarbonate li fana ka tšireletso e phahameng ka ho fetisisa ho boloka mahlo a ngoana oa hao a tsoa tseleng ha a ntse a fana ka pono e hlakileng, e phutholohileng...Bala haholoanyane -
Lilense tsa polycarbonate
Ka beke e le 'ngoe ka 1953, bo-rasaense ba babeli ba mahlakoreng a fapaneng a lefats'e ba ile ba sibolla polycarbonate. Polycarbonate e ile ea ntlafatsoa ka bo-1970 bakeng sa lisebelisoa tsa sepakapaka 'me hajoale e sebelisoa bakeng sa li-visors tsa helmete tsa bo-rasaense le bakeng sa sebaka ...Bala haholoanyane -
Re ka roala likhalase life hore re be le lehlabula le letle?
Mahlaseli a matla a ultraviolet letsatsing la lehlabula ha a na phello e mpe letlalong la rona feela, empa hape a baka tšenyo e ngata mahlong a rona. Fundus, cornea, le lense ea rona e tla senngoa ke eona, hape e ka baka mafu a mahlo. 1. Lefu la Corneal Keratopathy ke ntho e tsoang kantle ho naha...Bala haholoanyane -
Na ho na le phapang lipakeng tsa likhalase tsa mahlaseli tsa polarized le tse se nang polarized?
Phapano ke efe lipakeng tsa likhalase tsa mahlaseli tsa polarized le tse se nang polarized? Likhalase tsa mahlaseli tsa polarized le tse se nang polarized ka bobeli li fifatsa letsatsi le khanyang, empa ke moo ho tšoana ha tsona ho fellang teng. Lilense tse nang le polarized li ka fokotsa ho benya, ho fokotsa ponahalo le ...Bala haholoanyane -
Mokhoa oa ho khanna lilense
Batho ba bangata ba roala lipono ba ba le mathata a mane nakong ea ho khanna: --ho se bone hantle ha u shebile ka lense --ho se bone hantle ha u ntse u khanna, haholo bosiu kapa letsatsi le benyang --mabone a makoloi a tsoang pele. Haeba pula e na, reflectio...Bala haholoanyane -
U TSEBA KAE KA BLUECUT LENS?
Leseli le leputsoa ke leseli le bonahalang le nang le matla a phahameng ho tloha ho 380 nanometers ho ea ho 500 nanometers. Kaofela re hloka leseli le leputsoa bophelong ba rona ba letsatsi le letsatsi, empa eseng karolo e kotsi ea lona. Lense ea Bluecut e etselitsoe ho lumella leseli le leputsoa le nang le molemo ho feta ho thibela ho senya mebala ...Bala haholoanyane -
U KA KHETHA LENS E LOKELANG PHOTOCHROMIC JOANG?
Lense ea Photochromic, eo hape e tsejoang e le lense ea karabelo e bobebe, e entsoe ho latela mohopolo oa karabelo e ka fetoloang ea khanya le mebala. Lense ea Photochromic e ka fifala kapele tlas'a khanya ea letsatsi kapa khanya ea ultraviolet. E ka thibela matla ...Bala haholoanyane