I-Myopia (myopia) yisifo lapho i-acuity ebonakalayo iyancipha. Izinto ezikude kakhulu umuntu azibona kabi (ukufiphala), zingabonakala eduze. Ngombono wezokwelapha, lesi sifo asisibi, i-myopia yelashwa kusetshenziswa ukulungiswa kombono (izibuko, amalensi, izindlela zokuhlinza). Ukulahleka kombono kwesikhashana esifushane kushukela kwenzeka ngenxa yokuguquguquka kwamazinga kashukela (ukwakheka kwamalensi). Ilensi ayincikile kwi-insulin; idonsa ushukela ngaphandle kosizo lwe-insulin. Lapho amandla edonswa ilensi, ikhipha i-sorbitol, egcina amanzi. Ushukela omningi, uketshezi oluningi luqongelela ku-lens (inani elikhulu le-sorbitol liheha amanzi), ngenxa yalokhu ukwakheka kwalo nokuguqulwa kwamandla okubuye kube khona.
Ilensi ifana nelensi ephilayo, lapho ishukeka, amandla okubuyisa ayashintsha. Ngasikhathi sinye, izinto eziseduzane zibonakala kahle, futhi ebangeni konke kuba mnyama. Ngo ushukela ophansi, ilensi ithatha ukwakheka okuyisicaba, izinto ezisondelayo kunzima ukubona, zibonakala kude.
Isifo sikashukela, i-myopia ihlala ivela. Ngaphezu ushukela ophezulu, kunezinye izizathu zokubonakala kwe-myopia:
- Isakhi sofuzo.
- Landelela ukusilela.
- Umthwalo wokubuka onamandla.
- Ukuphazamiseka kweHormonal.
- Khuphula umfutho we-intracranial.
Angazi ukuthi luthembekile kangakanani lolu lwazi, kodwa ososayensi baseMelika bakholelwa ukuthi i-myopia ivikela ekulahlekelweni kombono kushukela. Abaphenyi abaholwa nguRyan Ein Kidd Man wesikhungo sokucwaninga ngeso le-Australia bathola ukuthi abanesifo sikashukela abane-myopia mancane amathuba okuba babe nezinkinga zesifo sikashukela - isifo sikashukela. Ucwaningo luye lwabonisa ukuthi laba bantu banengozi encishisiwe ye-macular edema.
UDkt Gardner (USA), uprofesa wezifo zamehlo esikhungweni se-Kellogg Eye Center, uveza iqiniso elilandelayo: "... Uma esinye seziguli sine-myopia eqinile impela, cishe, ngeke abhekane ne-retinopathy yesifo sikashukela." Kodwa-ke, izindlela zale nkolelo azikaqondakali.
Eminyakeni engu-6, ngakhula i-myopia emnene (2 diopters). Ngiphakamisa ukuthi ngizame ukumisa ukuqhubeka, futhi, uma kungenzeka, ngithuthukise umbono ngosizo lokuvivinya umzimba okujwayelekile namavithamini. Uma ucwaningo luphumelele, ngizobhala inqaku elihlukile ngale ndaba.
Ukwelashwa
- Qiniseka ukuthi uthintana nodokotela wamehlo (kumele ahlole i-fundus ne-retina).
- Ukuthatha amavithamini ngamehlo.
- Ukuzivocavoca ukuze ubuyisele umbono:
- uhlale esihlalweni esinzima, uzungeze ikhanda lakho ngasikhathi, bese ubala ngokweqile (phinda ukuzivocavoca umzimba izikhathi eziyi-10-13);
- qinisa amehlo akho imizuzwana eyi-3-4, bese uwavula (phinda izikhathi ezi-6-7);
- ukushintshanisa izinkinobho zamehlo ngewashi, bese kubalelwa kwesokunxele (1 iminithi);
- vala amehlo akho bese uthambisa amashiya akho ngeminwe yakho (20-30 sec.);
- Blink amehlo akho ngokushesha ngangokunokwenzeka (imizuzwana engu-15-20);
- gqoka izibuko wenze umaki ekuzivocavoca ingilazi (qala ngokubheka kunoma yiliphi iphuzu engilazini, bese ubheka into esebangeni);
- Hlala esihlalweni esinethezekile uvale amehlo akho, uphefumule ngokujulile kanye nomoya wokuphefumula.
