Uvavanyo lwamehlo: luyintoni, luyintoni kwaye lwenziwa njani

Umxholo

• Yenzelwe ntoni
• Uvavanyo lwenziwa njani
• Nini ukwenza ezinye iimviwo zamehlo

Uvavanyo lwamehlo, ekwabizwa ngokuba luvavanyo olubomvu lwe-reflex, luvavanyo olwenziwa kwiveki yokuqala yobomi bosana olusandul 'ukuzalwa kwaye olujolise ekuchongeni utshintsho kumbono kwangoko, njengokubeleka kwamehlo, i-glaucoma okanye i-strabismus, umzekelo, ukuqwalaselwa sisixhobo esibalulekileyo kuthintelo lokungaboni kwabantwana.

Nangona kubonisiwe ukuba uvavanyo kufuneka lwenziwe kwiwadi yokubelekisa, uvavanyo lwamehlo lunokwenziwa kuthethwano lokuqala nogqirha wabantwana, kwaye kufuneka luphindwe kwiinyanga ezi-4, 6, 12 nezingama-24.

Uvavanyo lwamehlo kufuneka lwenziwe kubo bonke abantwana abasandul 'ukuzalwa, ngakumbi abo bazalwe benayo i-microcephaly okanye oomama babo bosulelwe yintsholongwane yeZika ngexa lokukhulelwa, kuba kukho umngcipheko omkhulu wokukhula kotshintsho kumbono.

Yenzelwe ntoni

Uvavanyo lwamehlo lusebenza ekuchongeni naluphi na utshintsho kumbono wosana olucebisa izifo ezinje ngokuzalwa ngamehlo, glaucoma, retinoblastoma, izidanga eziphezulu ze-myopia kunye ne-hyperopia kunye nokungaboni.

Uvavanyo lwenziwa njani

Uvavanyo lwamehlo alonzakalisi kwaye luyakhawuleza, lwenziwa ngugqirha wezixhobo zabantwana ngesixhobo esincinci esikhanyisa ukukhanya emehlweni osana olusandul 'ukuzalwa.

Xa oku kukhanya kubonakala kubomvu, orenji okanye tyheli oko kuthetha ukuba ukwakheka kwamehlo wosana kusempilweni. Nangona kunjalo, xa ukukhanya okubonisiweyo kumhlophe okanye ngokwahlukileyo phakathi kwamehlo, olunye uvavanyo kufuneka lwenziwe ngugqirha wamehlo ukuphanda ukubakho kweengxaki zombono.

Nini ukwenza ezinye iimviwo zamehlo

Ukongeza kuvavanyo lwamehlo kanye emva kokuzalwa, umntwana kufuneka asiwe kugqirha wamehlo ayokubonisana nonyaka wokuqala wobomi nakwiminyaka emi-3 ubudala. Ukongeza, abazali kufuneka bazilumkele iimpawu zeengxaki zombono, ezinje ngokungalandeli ukuhamba kwezinto kunye nezibane, ubukho beefoto apho amehlo omntwana abonakalisa ukukhanya okumhlophe okanye ubukho bamehlo anqamlezayo emva kweminyaka emi-3 ubudala, ebonisa strabismus.

Phambi kwale miqondiso, umntwana kufuneka asiwe kwiimviwo kunye nogqirha wamehlo, ukuququzelela ukuchongwa kwengxaki kunye nonyango olufanelekileyo ukunqanda iingxaki ezinzulu, ezinje ngobumfama.

Bona ezinye iimvavanyo ekufuneka zenziwe lusana kungekudala emva kokuzalwa.