Ufanele Akhathalele Njani Umntwana Kwimpahla Yamehlo Yakhe?

Kubantwana be-myopic, ukunxiba iiglasi kuye kwaba yinxalenye yobomi nokufunda. Kodwa indalo edlamkileyo nesebenzayo yabantwana ihlala isenza ukuba iiglasi “zijinge umbala”: imikrwelo, ukonakala, ukuwa kwelensi…

1. Kutheni ungakwazi ukusula i-lens ngokuthe ngqo?

Bantwana, nizicoca njani iiglasi zenu xa zimdaka? Ukuba awukhange uqikelele kakubi, awuzange uthathe itawuli yephepha uze uyisule kwisangqa? Okanye utsale ikona yempahla uze uyisule? Le ndlela ifanelekile kodwa ayikhuthazwa. Kukho umaleko wokugquma kumphezulu welensi, onokunciphisa ukukhanya okubonakalisiweyo kumphezulu welensi, wenze umbono ucace, ukwandise ukuhanjiswa kokukhanya, nokuthintela umonakalo wemitha ye-ultraviolet emehlweni. Ukubonakaliswa kwemihla ngemihla elangeni kunye nomoya ngokuqinisekileyo kuya kushiya amasuntswana othuli amancinci kumphezulu welensi. Ukuba uyayisula yomile, ilaphu leglasi liya kugubha amasuntswana emva naphambili kwilensi, njengokupolisha i-lens nge-sandpaper, eya kuwonakalisa umphezulu we-lens.

2. Lungisa amanyathelo okucoca iiglasi

Nangona amanyathelo okucoca achanekileyo ayinkathazo, inokugcina iiglasi zakho kunye nawe ixesha elide.

1. Qala uhlambe uthuli phezu kwe-lens ngamanzi ahambayo, qaphela ukuba ungasebenzisi amanzi atshisayo;

2. Emva koko sebenzisa isisombululo sokucoca iiglasi ukucoca iminwe yeminwe, amabala e-oyile, kunye nezinye iindawo eziphezu kwe-lens. Ukuba akukho arhente yokucoca iiglasi, ungasebenzisa kwakhona i-detergent encinci engathathi hlangothi endaweni yoko;

3. Sula isisombululo sokucoca ngamanzi acocekileyo;

4. Ekugqibeleni, sebenzisa ilaphu lelensi okanye itawuli yephepha ukuze uvale amathontsi amanzi kwilensi. Qaphela ukuba icinyiwe, ayisulwanga!

5. Ukungcola kwizithuba zeeglasi zesakhelo akulula ukucoceka, unokuya kwivenkile ye-optical ukuze uyihlambulule ngamaza e-ultrasonic.

Qaphela: Ezinye iiglasi azifanelekanga ukucocwa kwe-ultrasonic, njengeelensi ze-polarized, iifreyimu ze-tortoiseshell, njl.

3. Indlela yokususa kunye nokunxiba iindondo

Ewe, kufuneka uzinakekele kakuhle iiglasi zakho ezincinci, kwaye kufuneka ulumke xa ukhulula kwaye unxibe iindondo zakho, ukuze ukwazi ukukhusela kakuhle iiglasi zakho.

1. Xa unxiba kwaye ukhulula iindondo, sebenzisa izandla zozibini ukuzikhulula ngaxeshanye. Ukuba uhlala ukhulula kwaye ubeke kwiiglasi ngesandla esinye sijongene necala elinye, kulula ukukhubaza isakhelo kunye nokuchaphazela ukunxiba;

2. Xa isakhelo sifunyenwe sikhubazekile kwaye sikhululekile, yiya kwiziko le-optician ukuze ulungelelanise kwangethuba, ngakumbi kwiiglasi ezingenafreyimu okanye ezinesiqingatha. Xa izikrufu zikhululekile, ilensi inokuwa.

4. Iimeko zokugcina iiglasi

Xa ukhulula iiglasi kwaye uzilahle ngokungaqhelekanga, kodwa ngengozi uhlale kuzo kwaye uzityumze! Le meko ixhaphake kakhulu kumaziko ogqirha bamehlo olutsha!

1. Ukubekwa kwexeshana, kucetyiswa ukuba ubeke imilenze yesibuko ngokuhambelana okanye ubeke i-lens ijonge phezulu emva kokugoqa. Musa ukuvumela i-lens ukuba ichukumise ngokuthe ngqo itafile, njl., Ukuthintela ukunxiba iilensi;

2. Ukuba awuyigqoki ixesha elide, kufuneka ubophe i-lens ngendwangu yeglasi kwaye uyibeke kwi-glass case;

3. Kuphephe ukubeka ilanga elithe ngqo kunye nendawo yobushushu obuphezulu ixesha elide ukuthintela isakhelo ukuba singafihli okanye siguge.

5. Ngaphantsi kwaziphi iimeko apho kufuneka nditshintshe iiglasi ngezitsha?

Nangona kufuneka sizinakekele kakuhle iindondo zethu kwaye sizame ukuzenza zihambe nathi ixesha elide, iiglasi nazo zinomjikelo wokunxiba, kwaye oko akuthethi ukuba okukhona uzinxiba, kokukhona kungcono.

1. Amehlo alungiswayo ngokunxiba iindondo angaphantsi kwe-0.8, okanye ibhodi yokubhala ayibonakali ngokucacileyo, kwaye kufuneka itshintshwe ngexesha xa ingakwazi ukuhlangabezana neemfuno zamehlo okufunda imihla ngemihla;

2. Ukugqoka okugqithisileyo phezu kwe-lens kuya kuchaphazela ukucaca, kwaye kucetyiswa ukuba uyitshintshe ngexesha;

3. Ulutsha kunye nabantwana kufuneka bajonge utshintsho lwe-diopter rhoqo. Ngokuqhelekileyo kucetyiswa ukuba kuhlolwe kwakhona kanye kwiinyanga ezi-3-6. Xa i-diopter yeglasi ingafanelekanga, kufuneka itshintshwe ngexesha lokuphepha ukukhathala kwamehlo kunye nokubangela ukuba i-diopter ikhule ngokukhawuleza;

4. Abaselula kunye nabantwana bakwixesha lokukhula kunye nophuhliso, kwaye imilo yobuso kunye nokuphakama kwebhulorho yempumlo zihlala zitshintsha. Nangona i-diopter ingatshintshi, xa ubukhulu besakhelo seglasi abuhambisani nomntwana, kufuneka itshintshwe ngexesha.

Ngaba ufundile malunga nokugcinwa kweeglasi? Enyanisweni, kungekhona abantwana kuphela kodwa nabahlobo abakhulu abanxiba iiglasi kufuneka banikele ingqalelo.

Ukuba ufuna ukwazi ngakumbi malunga nefashoni yeglasi kunye nothethwano lweshishini, nceda undwendwele iwebhusayithi yethu kwaye uqhagamshelane nathi nangaliphi na ixesha.