"Ngoko, u-Ivan Petrovich, siza kujonga i-zrenitsa yakho. Yintoni le leta, kwaye le "? "Ugqirha, andinakukwenza ngezantsi." "Hayi, ke, ixesha lokugqoka iiglasi, ungakhathazeki, ngexesha lakho, abaninzi babo sele bembethe." "Njani-iiglasi, ndingumculi we-opera, ndisegaleni, kukho zonke iindidi zendima, andinakukwazi ukubeka iiglasi." "Hayi, ke uzama ukugqoka ii-lens. Ayibonakali, efanelekileyo kwaye umboniso awulungisekanga ngakumbi kunezibuko, nokuba bhetele. " Ngaloo ndlela bathetha. Kodwa xa u-Ivan Petrovich eqala ukuthatha i-blister kunye ne-lens, wajamelana neengxaki ezinkulu phambi kwakhe, ngokukhawuleza kwaye afunde ngokukhawuleza le iilensi zokudibanisa ukuba athabathe kwaye agqoke, kwaye kubuhlungu? Kwaye i-opera tenor kwafuneka iphendule nomlingane wakhe kunye ne-soprano enhle kunye negama elincinci elingu-Albina Leopoldovna, owayesetyenzisile iilensi ixesha elide kwaye kungekhona nje ukuphucula amehlo akhe, kodwa nokuguqula umbala wamehlo akhe. Masijoyine le nzululwazi enomdla kwaye inomdla kakhulu.
Ngubani ofuna kwaye ngubani ongafanelanga ukugqoka ii-lens?
Kodwa ngaphambi kokuba uqale ufunde umbuzo wendlela elula ngayo ukugqoka kunye nokususa ii-lens zokudibanisa, kufuneka uqonde izibonakaliso kunye nokuchasene nokusetyenziswa kwesi sifundo esiluncedo. Khawucinge nje, iimeko kunye nemithetho yokugqoka zinokudibanisa iilensi, kwaye sithini ntoni ngeelensi ezichanekileyo ezibonakalayo. Ngoko ke, kuqala kwezo zonke iilensi zokuqhagamshelana zabanikezelwa kubantu abenza imisebenzi yabo yobugcisa abanako ukugqoka iilazi. Umzekelo, abadlali, abadlali, abaculi, abafotshini, iikhamera kunye nabanye. Ngelizwi, kubo bonke abo bantu, ngokuba imisebenzi yabo yeglasi igxininisa ngqo. Okwesibini, iilensi zingabelwa abo baneentloni. Emva koko, ingqondo yesigulane ibalulekile ukuqwalasela. Kwezinye, iilazi zizinto eziqhelekileyo, kunye nabanye - ingxaki. Kodwa kukho izihlandlo ebomini xa i-lens isadingeka ibekwe bucala kwaye ikhonkxwe ngeiglasi. Nolu uluhlu lweemeko ezinjalo:
Nystagmus. Le yimo yeso leso, xa lihlala liguqukayo ngenxa yokungazinzi kwezihlunu zamehlo. IiLenses kule meko ziya kuba ngumqobo. Baya kugubha kunye nokuphazamisa iliso, ukuze, ekugqibeleni, umntu ngokwakhe uya kufuna ukulahla.
Izifo ezivuthayo zamehlo. Xa iliso libonakalisa ngokukhawuleza ukuvakalelwa, ukutshisa nokutshabalalisa, kuya kubakho ububomvu okanye ukwabiwa kwe-mucus enamathele, ukususela kwiingu-lens kuya kufuneka kushiywe okwesikhashana. Ezi zimpawu zingabonisa ukudibanisa okanye ezinye izibilini. Ngonyango lwayo, iilensi ziyakunxiba kwakhona, kodwa ngoku kuya kufuneka usebenzise iiglasi.
Ubanda obubandayo. Ngethuba lomkhuhlane, intlungu yomzimba okanye ezinye izifo ezifanayo, xa impumlo kunye neenyawo zihamba, i-lens itshintshe okwesikhashana ngeiglasi.
Ewe, ngoku siya kusebenza.
Indlela yokugqoka kakuhle kunye nokususa iilensi zokuxhumana?
Kungcono kakhulu ukufeza le nkqubo ngelixa uhleli phambi kwesibuko. Kwaye ukuze ungadideki, yiyiphi i-lens, iliso ekugqoke kuyo, zizithathele imigaqo ukuze uqale ukugqoka kwaye ususe kwijongene lasekunene. Ngoko, yima phambi kwesibuko uze ukhombe umbono kude, kungekhona ngomnwe nge lensi. Ngesandla somnxeba wesandla sasekhohlo, gudla ijwabu eliphezulu lelihlo lasekunene ukwenzela ukuba iliso lihlale livulekile, nokuba uvele uvele. Beka i-lens kumgca wesicatshulwa somnwe wesandla sokunene, ubambe umnwe kwiso. Ngomunwe ophakathi wesandla sokunene, thabatha ijwabu eliphantsi kwaye uqaphele ukubeka i-lens kwi-sclera. Emva kokuqinisekisa ukuba i-lens iwile kakuhle, susa iminwe. Emva koko jonga phantsi, vala amehlo akho uze uwaguqule phantsi kweepilisi ezivaliweyo. Ezi zixhobo zifunekayo ukubeka ngokuchanekileyo i-lens kwiso. Vula amehlo akho uze ukhangele. Ukuba zonke izenzo zenziwa ngokuchanekileyo, ubuninzi obubonakalayo kwiso kunye ne-lens luya kwanda. Yenza okufanayo kunye nelinye ilensi kweso lesibini.
Ukukhutshwa kwee-lens, indlela yokuncibilikisa isetyenziswa. Yima phambi kwesibuko, ugxilise ikhanda lakho phambili, kwaye ujonge phezulu. Ngefowuni yakho, slayilisa i-lens phantsi kwesikhala, uze ubambe ngesithupha sakho kunye nesangaphambili, ususe ngokucopheleleyo.
Kwaye ekugqibeleni
Ngaphambi kokuba ugqoke iilensi, zihlole kwaye uqinisekise ukuba zifanelekile kwaye zichanekile. Ukuqonda ukuba yiliphi icala lokugqoka ii-lens, faka enye yazo kwintonga yomnweba kwaye ubhekisise indlela yayo. Isikhundla esilungileyo se-lens sifana nesitya, imiphetho ibheka phezulu. Lens inverted ifana nesitya, imida ibheka ngaphandle. Ukuba iilensi zibonakala ziphangiwe, musa ukuzigqoka, kodwa zibeke endaweni yazo kwabanye. Yinakekele amehlo akho, kwaye ube nempilo enhle kuwe!