Umehluko phakathi kwe-myopia, astigmatism ne-hyperopia
-Delile
I-Myopia, i-astigmatism kanye ne-hyperopia yizifo ezijwayelekile kakhulu zamehlo kubantu, ezahlukile phakathi kwazo futhi zisengenzeka ngasikhathi sinye, kumuntu ofanayo.
Ngenkathi i-myopia ibonakala ngobunzima bokubona izinto kude, i-hyperopia iqukethe ubunzima bokuzibona zisondele. Ukucwaswa kwenza izinto zibukeke zifiphele kakhulu, kubangele ukuphathwa yikhanda nokucindezela kwamehlo.
1. I-Myopia
IMyopia yisifo esizalwa naso esidala ubunzima bokubona izinto ukude, okwenza lowo muntu angaboni kahle. Ngokuvamile, izinga le-myopia liyakhula lize lizinzile eminyakeni yobudala engama-30, kungakhathalekile ukuthi kusetshenziswa izibuko noma ama-lens wokuxhumana, alungisa kuphela umbono ophuthelwe futhi awelaphi i-myopia.
Okufanele ngikwenze
IMyopia iyelapheka, ezimeni eziningi, ngokuhlinzwa nge-laser, okungalungisa ibanga ngokuphelele, kepha okuhlose ukunciphisa ukuncika ekulungisweni, kungaba ngezibuko noma ngamalensi wokuxhumana. Thola konke mayelana nalesi sifo.
2. I-Hyperopia
Ku-hyperopia, kunenkinga yokubona izinto ebangeni eliseduze futhi kwenzeka lapho iso lifushane kunokujwayelekile noma lapho i-cornea ingenawo amandla anele, okwenza isithombe sento ethile sakheke ngemuva kwe-retina.
I-Hyperopia ivame ukuvela ekuzalweni, kepha ingahle ingatholakali ebuntwaneni futhi ingadala ubunzima bokufunda. Ngakho-ke, kubalulekile ukuthi uhlolwe umbono ngaphambi kokuba ingane ingene esikoleni. Bona ukuthi wazi kanjani ukuthi yi-hyperopia.
Okufanele ngikwenze
I-Hyperopia iyelapheka uma kunenkomba yokuhlinzwa, kepha ukwelashwa okuvame kakhulu futhi okuphumelelayo izingilazi namalensi wokuxhumana ukuxazulula inkinga.
3. I-Astigmatism
I-Astigmatism yenza umbono wezinto ufiphale kakhulu, ubangele ikhanda nokuxinwa kwamehlo, ikakhulukazi uma kuhlotshaniswa nezinye izinkinga zombono ezinjenge-myopia.
Ngokuvamile, i-astigmatism ivela ekuzalweni, ngenxa yokonakala kwesigaxa se-corneal, esiyindilinga futhi esingeqanda, okwenza imisebe yokukhanya igxile ezindaweni eziningana ku-retina esikhundleni sokugxila kokukodwa, okwenza isithombe esibukhali okungenani. Bona ukuthi ungayibona kanjani i-astigmatism.
Okufanele ngikwenze
I-Astigmatism iyelapheka, futhi kungenziwa ukuhlinzwa kwamehlo, okuvunyelwe kusukela eminyakeni engama-21 futhi okuvame ukudala ukuthi umuntu ayeke ukugqoka izibuko noma amalensi okuthinta ukuze akwazi ukubona kahle.