• Litaba

  • Vision Expo West (Las Vegas) 2023

    Vision Expo West (Las Vegas) 2023

    Vision Expo West e bile ketsahalo e felletseng bakeng sa litsebi tsa mahlo. Pontšo ea khoebo ea machaba bakeng sa lingaka tsa mahlo, Vision Expo West e tlisa tlhokomelo ea mahlo le liaparo tsa mahlo hammoho le thuto, feshene le mekhoa e mecha. Vision Expo West Las Vegas 2023 e ne e tšoaretsoe ...
    Bala haholoanyane
  • Pontšo ea 2023 Silmo Paris

    Pontšo ea 2023 Silmo Paris

    Ho tloha 2003, SILMO esale e le moetapele oa 'maraka ka lilemo tse ngata. E bonahatsa indasteri eohle ea optics le eyewear, e nang le libapali tse tsoang lefats'eng lohle, tse kholo le tse nyane, tsa nalane le tse ncha, tse emelang ketane eohle ea boleng. ...
    Bala haholoanyane
  • Malebela a ho Bala likhalase

    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

    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

    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

    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 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 Bontša: La 29 Sep - 02 Oct, 2023 ...
    Bala haholoanyane
  • Lilense tsa Polycarbonate: Khetho e sireletsehileng ka ho fetisisa bakeng sa bana

    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

    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?

    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?

    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

    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