Zotsatira za kafukufuku, zomwe zinaphunzira chikhalidwe cha chitukuko cha cataract mwa amayi achikulire, zinali zosangalatsa. Monga momwe zinakhalira, kudya zakudya zokhala ndi vitamini C wambiri kumatha kuteteza maso.
Mu kuyesera anatenga gawo 324 ya mapasa. Kwa zaka 10 zapitazi, ofufuza ankayang'anitsitsa zakudya zawo komanso momwe amachitira matendawa. Mwa omwe adadya zakudya zokhala ndi vitamini C wambiri, kukula kwa ng'ala kunachepetsedwa ndi 33%. Vitamini C yakhudza chinyontho chachilengedwe cha diso, chomwe chimamuteteza kuti asadwale matendawa.
Ascorbic acid ali ndi zambiri mu:
- malalanje,
- mandimu,
- tsabola wofiira ndi wobiriwira,
- mabulosi,
- burokoli
- mbatata.
Koma mapiritsi a vitamini sangathandize. Ofufuzawo adanena kuti sanawone kuchepa kwakukulu kwa chiopsezo kwa anthu omwe amamwa mapiritsi a vitamini. Chifukwa chake, vitamini C iyenera kudyedwa ngati zipatso ndi ndiwo zamasamba.
Wofufuza wamkulu, Pulofesa Chris Hammond wa ku King’s College London, anati: “Kusintha pang’ono kadyedwe monga kudya zipatso ndi ndiwo zamasamba monga mbali ya zakudya zopatsa thanzi kungathandize kuti munthu asadwale ng’ala.”
Cataract ndi matenda omwe amakhudza ukalamba 460 mwa amayi 1000 ndi 260 mwa amuna 1000. Ndi mtambo wa lens wa diso umene umakhudza masomphenya.
Zambiri zokhudzana ndi thanzi la malalanje ndi zovulaza zomwe werengani m'nkhani yathu yayikulu: