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Pono Expo Bophirima (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 kopanya tlhokomelo ea mahlo le liaparo tsa mahlo hammoho le thuto, feshene le boqapi. Vision Expo West Las Vegas 2023 e ne e tšoaretsoe...Bala haholoanyane -
Pontšo ho 2023 Silmo Paris
Ho tloha ka 2003, SILMO e bile moetapele oa 'maraka ka lilemo tse ngata. E bonahatsa indasteri eohle ea optics le ea mahlo, ka 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
Ho na le litšōmo tse tloaelehileng mabapi le likhalase tsa ho bala. E 'ngoe ea litšōmo tse tloaelehileng haholo: Ho roala likhalase tsa ho bala ho tla etsa hore mahlo a hao a fokole. Seo ha se 'nete. Tšōmo e 'ngoe hape: Ho etsoa opereishene ea 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
Jwalo ka batswadi, re ananela motsotso o mong le o mong wa kgolo le ntshetsopele ya ngwana wa rona. Ka semesetara e ntjha e tlang, ho bohlokwa ho ela hloko bophelo bo botle ba mahlo a ngwana wa hao. Ho kgutlela sekolong ho bolela dihora tse telele tsa ho ithuta ka pela khomphutha, tablet, kapa disebediswa tse ding tsa dijithale...Bala haholoanyane -
Bophelo ba Mahlo ba Bana bo Hlokomoloha Hangata
Phuputso ea morao tjena e senola hore bophelo bo botle ba mahlo le pono ea bana hangata li hlokomolohuoa ke batsoali. Phuputso, likarabo tse nkiloeng ho batsoali ba 1019, e senola hore motsoali a le mong ho ba tšeletseng ha a e-so ka a tlisa bana ba hae ngakeng ea mahlo, ha batsoali ba bangata (karolo ea 81.1 lekholong) ...Bala haholoanyane -
Ts'ebetso ea nts'etsopele ea likhalase tsa mahlo
Likhalase tsa mahlo li hlile li qapiloe neng? Leha mehloli e mengata e bolela hore likhalase tsa mahlo li qapiloe ka 1317, mohopolo oa likhalase o kanna oa qala khale koana ka 1000 BC Mehloli e meng e boetse e bolela hore Benjamin Franklin o qapile likhalase, 'me ...Bala haholoanyane -
Pontšo ea Pono ea Bophirima le Silmo Optical – 2023
Vision Expo West (Las Vegas) 2023 Nomoro ea Booth: F3073 Nako ea pontšo: 28 Loetse - 30Loetse, 2023 Silmo (Pairs) Optical Fair 2023 --- 29 Loetse - 02 Mphalane, 2023 Nomoro ea Booth: e tla fumaneha 'me e tsebisoe hamorao Nako ea pontšo: 29 Loetse - 02 Mphalane, 2023 ...Bala haholoanyane -
Lilense tsa polycarbonate: Khetho e sireletsehileng ka ho fetisisa bakeng sa bana
Haeba ngwana wa hao a hloka digalase tsa mahlo tse ngotsweng ke ngaka, ho boloka mahlo a hae a bolokehile e lokela ho ba ntho ya bohlokwa ho wena. Digalase tse nang le dilense tsa polycarbonate di fana ka tshireletso e phahameng ka ho fetisisa ho boloka mahlo a ngwana wa hao a le hole le kotsi ha ka nako e ts'oanang di fana ka pono e hlakileng le e phutholohileng...Bala haholoanyane -
Lilense tsa Polycarbonate
Ka beke e le 'ngoe feela ba le bang ka 1953, bo-rasaense ba babeli ba mahlakoreng a fapaneng a lefats'e ba ile ba sibolla polycarbonate ka boikemelo. Polycarbonate e ile ea ntlafatsoa lilemong tsa bo-1970 bakeng sa lits'ebetso tsa lifofane 'me hajoale e sebelisoa bakeng sa li-visor tsa helmete tsa bo-ralifofane le bakeng sa sebaka...Bala haholoanyane -
Re ka apara likhalase life ho ba le lehlabula le monate?
Mahlaseli a matla a ultraviolet letsatsing la lehlabula ha a na phello e mpe feela letlalong la rona, empa hape a baka tšenyo e kholo mahlong a rona. Letlalo la rona la fundus, cornea le lense li tla senyeha ke lona, 'me le ka boela la baka mafu a mahlo. 1. Lefu la Corneal Keratopathy ke ntho ea bohlokoa...Bala haholoanyane -
Na ho na le phapang pakeng tsa likhalase tsa letsatsi tse nang le polarized le tse se nang polarized?
Phapang ke efe pakeng tsa likhalase tsa letsatsi tse nang le polarized le tse se nang polarized? Likhalase tsa letsatsi tse nang le 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 khanya, tsa fokotsa ho bonahatsa le ho...Bala haholoanyane -
Mokhoa oa Lilense tsa ho Khanna
Ba bangata ba apereng lipono ba ba le mathata a mane ha ba ntse ba khanna: --pono e lerootho ha ba sheba ka lehlakoreng ka lense --pono e mpe ha ba ntse ba khanna, haholo-holo bosiu kapa letsatsing le tlaase le benyang --mabone a likoloi a tsoang ka pele. Haeba pula e na, reflection...Bala haholoanyane