I-Myopia, i-hyperopia, i-astigmatism ... uyini umehluko wabo?

Sizwile nge myopia noma kwe i-presbyopia... kepha uyazi ukuthi baziveza kanjani noma umehluko phakathi kwalowo nalowo?

Ukuqala ukukhuluma ngezinkinga zombono, kufanele sikwenze kucace ukuthi azizimele komunye nomunye nokuthi kungenzeka okungaphezu koyedwa ngesikhathi. Ngakho-ke, ku UkuBhalA.com Sifuna ukukuletha eduze nezinkinga ezine ezivame kakhulu zamehlo nokwehluka kwazo. Sizokhuluma ngendlela elula ukuthi myopia, lo ukubona kude, the astigmatism futhi i i-presbyopia.

I-Myopia:

Kuyinkinga ebonakala kakhulu kunazo zonke. Uphawu olucace bha ukufiphala kwamehlo lude futhi lukhuliswa kakhulu ebusuku. Isizathu somzimba sale nkinga ukuthi iso likhulu kunokujwayelekile.

Izibuko noma amalensi wokuxhumana angasetshenziswa ukulungisa i-myopia. Imvamisa usebenzisa izingilazi ezinombhalo ophansi wemisebenzi yansuku zonke, njengokubuka ithelevishini noma ukuba nekhompiyutha nezinye izinto zokushayela noma zokubuka kude, ngokukhulisa okuphezulu. Kukhona enye indlela yokugqoka izibuko okuwukuhlinzwa okukhanyelayo. Imiphumela mihle kakhulu futhi, njengeseluleko, sicela ukuthi uthintane nodokotela wamehlo wakho ukuze aseluleke ngalolu daba.

Ukubona kude:

Kungumphumela ophambene nalowo we-myopia, imvamisa ubonakala ngamehlo amancane kunokujwayelekile futhi izimpawu ezivelele ukukhathala noma ikhanda lapho usebenza eduze, futhi uma i-hyperopia iphakeme, izophazamisa nombono wokude.

Kulokhu, inketho engcono kakhulu ukusetshenziswa kwezingilazi, ngoba akufanele zizigqoke usuku lonke futhi uma i-hyperopia idlula ibanga elithile, amalensi wokuxhumana nawo angasetshenziswa. Kwi-hyperopes, ukuhlinzwa akusona isisombululo esihle kakhulu.

I-Astigmatism:

I-Astigmatism ivame ukuhambisana nezinye iziphambeko ezibonakalayo esesishilo, i-myopia noma i-hyperopia. Uphawu olucacile lwe-astigmatism luyafiphalaza kusuka kude naseduze futhi kubangelwa ukuguqulwa kwe-cornea (ingxenye engaphandle yeso).

Lokhu kukhubazeka okubonakalayo kungalungiswa ngokusebenzisa izibuko, amalensi wokuxhumana noma ukuhlinzwa okukhanyelayo.

I-Presbyopia:

Eyaziwa nangokuthi "i-eyestrain", kungumphumela ohlotshaniswa nobudala, ovame ukuvela ngemuva kweminyaka engama-40 futhi izimpawu ezisobala zifiphele eduze kombono. Isizathu somzimba sale nkinga ukuhlala okuncane kwelensi (okuyi-lens esinayo ngaphakathi kweso) nokuthi eminyakeni edlule ilahlekelwe yikhono layo lokwelula kanye / noma ukwenza inkontileka, okusivimbela ukuthi sigxile kakhulu.
Ekuqaleni kuthinta kuphela umbono oseduze futhi, kancane kancane, kugcina kuthinta umbono ophakathi.

Isixazululo esihle kunazo zonke izingilazi ze-bifocal, ezivumela ukulungiswa kwebanga, indawo ephakathi nendawo eseduze ku-lens eyodwa.

Njengenjwayelo, uma unanoma iyiphi yalezi zimpawu esizichazile, sikucela ukuthi uye kudokotela wezifo zamehlo, okunguye ozokunikeza isisombululo kuye ngenkinga yakho.