Baye kwisikhululo seziyobisi, i-bookstore, kunye nevenkile yeli dola. Enyanisweni, kubonakala ukuba naphi na ukufundwa kwenziwa, ungayifumana iiglasi zokufunda ezingabizi kakhulu. Kodwa indlela ekhuselekile ngayo i-eyewear eveliswa ngobuninzi, xa kuthelekiswa neiglasi zokugada ezingakwazi ukubiza amaxesha amaninzi? Nanku ukukhangela ukuba yeyiphi i-discount okanye i-glass magnifying reading magnifying eyenzelwe ukuyenza, nokuba ngaba kufuneka uzame.
Iso eliguga
Uninzi lwabantu lujamelana nokutshintsha kwimiba yabo njengoko bekhula. Utshintsho oluphawulekayo nolunokubonakalayo lubizwa ngokukrakra ngokuthi "isifo esifutshane seengalo", okanye imfuneko yokubamba izinto kude nangenxa yokukwazi ukunciphisa izinto ezikufutshane. Ngokusemthethweni, yaziwa ngokuba yi- presbyopia .
I-Presbyopia yenzeka ngenxa yobunzima be-lens yelihlo, ukushiya i-lens engakwazi ukugoba ukuze igxilwe, kwaye ngenxa yenguqu kwiimisipha ezilawula i-lens.
Njengoko unako ukufumanisa, nantoni na eyenza ukuba ukushicilela okulungileyo kukukhupha-kuya kukunceda-nokuba ingaba yindlasi yeklasi yokudala, okanye nje ukunyuka kwifowuni yakho yefowuni. Amandla amakhulu ekufuneni iziglasi enza izinto ezincinci namazwi kwiphepha libukeka likhulu kangangokuba kulula ukubona.
Iimviwo zeeNglasi zeeLeksi ngokubhekiselele
Iiglasi zesigcawu zingalungisa iingxaki ezimbalwa ezihlukeneyo, kubandakanywa nokungaboni kakuhle (ubunzima bokubukela izinto ezikude), ukujonga phambili (ukukhathaza izinto ezikufutshane) kunye ne- astigmatism .
I-Astigmatism iyenzeka xa phambili kweso lijonge njengobhola bhola kunebhola lebhola ekhatywayo, kwaye ingenza imifanekiso ephosakeleyo. Ukongezelela, kuba iziglasi zogunyaziso zenzelwe ngokukhethekileyo kuwe, amaziko optical kwilensi nganye (apho i-lens iya kusebenza ngokufanelekileyo) ihambelaniswe namaziko ngamnye kwamehlo akho.
Abafundi abakulungeleyo, ngokuchaseneyo, baveliswa ngobuninzi kwaye benzelwe injongo enye kuphela-ukuphakamisa umfanekiso phambi kwakho. Abayi kukulungisa ukujonga kwangaphambili okanye i-astigmatism.
Ngaba ngabafundi abaPhezulu kweeMvavanyo zabaSebenzi?
UNatalie Hutchings, uNjingalwazi onxulumene kwiYunivesithi yase-Waterloo yeSchool of Optometry kunye neScience Vision, uthi ukufunda iziglasi ezenziweyo aziyi kukukwenza ungaboni, kodwa zingabangela iingxaki kwabanye abantu.
Abantu abadala abadala, ezi ziglasi ziza kuba zilunge kakuhle, kwaye aziyi kutshabalalisa ngamehlo akho, "ushilo. "Ukuba isigunyaziso sakho asinamandla kakhulu, kwaye uyisebenzisela ixesha elifutshane nje kuphela-ukufunda iileyibhile ngokukhawuleza kwisitolo sokutya, umzekelo-ezi glasi ezingabizi zimele zenze ingozi."
U-Hutchings uyaphawula ukuba, ukuba unobungozi bamehlo okanye iintloko, kufuneka ube neliso lakho lokuhlola iiglasi. Ukhankanya uphando kwiYunivesithi yaseCincinnati ukuvavanya abafundi abaphakanyisayo. Eboniswe kuMbutho woPhando kwiMboniselo kunye ne-Ophthalmology (ARVO) inkomfa yonyaka ngo-Meyi 2013, isifundo esingashicilelwa sasihlola ii-160 zibini zabafundi abalungile. Phantse ikota yeebini (iipesenti ezingama-24) zifunyenwe ukuba zibe namaziko optical aphelelwe ngama-millimitha angama-2, ngenxa yoko abaphandi uConstance West noDavid Hunter baqukumbele kungakhokelela ekubeni yi-eyestrain kunye nemibono emibini kubantu abadala abaninzi.
IWest neHunter icebisa iingcali zamehlo ukulinganisa amaziko optical kunye nokuphakamisa amandla ezigulane zabo ze-OTC.
Iingcebiso zokuSebenza okuKhuselekileyo kweziGlasi zokuFunda ezenziwe ngokuCwangcisiweyo
U-Natalie Hutchings unikeza iingcebiso ezilandelayo zokusetyenziswa ngokukhuselekileyo kweziglasi zokufunda ezilungiselelwe:
- Khetha kuphela amandla anokuvumela ukuba ufunde into elula. Ukuqinela akuyona into engcono.
- Hlola iiglasi ngamabhule, amaza, okanye ezinye izinto eziphazamisayo ezinokukhathaza amehlo akho.
- Ungasebenzisi abafundi abangaphezulu kwe-counter for the working computer; uhlala ngaphaya kwesikrini kunokuba wenze kwincwadi okanye kumagazini.
- Sebenzisa aba bafundi ngemisebenzi esheshayo kuphela, njengokufunda ilebula kwivenkile.
- Ukuba uhlakulela ikhanda, uthathe iziglasi zakho zokuphumula ukuya kugqirha kwamehlo ukuze abafundi bavavanywe.
Ekugqibeleni, musa ukuhlolisisa ukuhlolwa kwamehlo rhoqo nokuba ngaba ngabafundi be-OTC basebenzela wena. Ubuninzi bokubukeka luyingxenye enye yembono yokuba i-ophthalmologist okanye i-optometrist iya kuhlola. Banokuphinda bafumanise iingxaki ezinzulu ezifana nesifo sikashukela kunye ne- retinal detachment , kumanyathelo okuqala xa kungabikho iimpawu ezibonakalayo.
> Imithombo:
> Iiglasi zokujonga ukulungiswa komboniso. I-American Academy ye-Ophthalmology. https://www.aao.org/eye-health/glasses-contacts/glasses.
> Hutchings, Natalie. U dliwano. Meyi 2013.
> Presbyopia. I-Institutes kaZwelonke yezeMpilo i-MedlinePlus. http://www.nlm.nih.gov/medlineplus/ency/article/001026.htm.
> Amehlo akho aguga. I-National National Institutes of Health Information Sheet Sheet. http://newsinhealth.nih.gov/issue/Jan2011/Ifomfa1.