Uvavanyo lwamehlo: uyenza nini kwaye yenzelwe ntoni

Umxholo

• Loluphi uvavanyo
• Ulwenza nini uvavanyo

Uvavanyo lwamehlo luvavanyo olusebenza kuvavanyo lwamehlo, lweenkophe kunye neetyuwa zokwenza iinyembezi ukuze kuphandwe ngezifo zamehlo, ezifana ne-glaucoma okanye i-cataract, umzekelo.

Ngokubanzi, kuvavanyo lwamehlo kwenziwa uvavanyo lwe-acuity ebonakalayo, nangona kunjalo, ezinye iimvavanyo ezithile zinokwenziwa, njengokuvavanywa kokuhamba kwamehlo okanye uxinzelelo lwamehlo, kwaye zihlala kubandakanya ukusetyenziswa koomatshini abathile okanye izixhobo, ezingabangeli zintlungu kwaye kungafuneki nawaphi na amalungiselelo phambi kokuba kwenziwe uviwo.

Loluphi uvavanyo

Uvavanyo olupheleleyo lwamehlo lubandakanya uvavanyo oluninzi kwaye ugqirha wamehlo usebenzisa izixhobo nezibane ezahlukeneyo ukuvavanya impilo yeliso lomntu.

Ngokubanzi, uvavanyo lwe-acuity visual lelinye lawona macandelo aziwayo ekuhlolweni kwamehlo, nanjengoko kwenziwa kwiimeko ezininzi, nkqu nakukhuphiswano, ukusebenza okanye ukuqhuba, umzekelo, kwaye ukhonza ukuvavanya umntu lowo umbono onokwenzeka ngokubekwa kophawu, ngonobumba obahlukeneyo okanye iisimboli, phambi komntu kunye nesigulana sizama ukuzifunda.

Nangona kunjalo, uvavanyo olupheleleyo lwamehlo kufuneka lubandakanye ezinye iimvavanyo, ezinje:

• Uvavanyo lokuhamba kwamehlo: isebenza ukukhangela ukuba ingaba amehlo alungelelanisiwe na, kwaye ugqirha unokucela isigulana ukuba sijonge kumacala ahlukeneyo, okanye sikhombe into, enjengosiba, kwaye siqwalasele intshukumo yamehlo;
• Ifundoscopy: isebenza ukufumanisa utshintsho kwi-retina okanye kwi-optic nerve. Ugqirha usebenzisa i-lens yokufikelela ukujonga isigulana;
• Iteknoloji: isebenza ukulinganisa uxinzelelo ngaphakathi kwiso, ngokukhanya okuluhlaza okwenziwe kwiliso lomntu kunye nokudibana nesixhobo sokulinganisa okanye isixhobo esivuthelayo;
• Ukuvavanywa kweendlela ezinobungozi: Ugqirha uhlalutya ubungakanani benyembezi, isigxina saso, ukuveliswa kwayo kunye nokususwa kwaso ngamathontsi wamehlo nakwizixhobo.

Ukongeza kwezi mvavanyo, ugqirha wamehlo unokucebisa umntu ukuba enze ezinye iimvavanyo ezithile ezinje ngeComputerised Keratoscopy, Daily Tension Curve, Retinal Mapping, Pachymetry kunye neVisual Campimetry, kuxhomekeke kwizikrokro ezivela ngexesha lokuhlolwa kwamehlo.

Ulwenza nini uvavanyo

Ukuhlolwa kwamehlo kuyahluka ngokobudala bomntu kunye nobukho okanye ukungabikho kweengxaki zombono, kwaye abantu abaneengxaki zombono kufuneka babonane nogqirha wamehlo okungenani kanye ngonyaka kwaye, ukuba kukho naluphi na utshintsho kumbono, njengentlungu yamehlo okanye umbono ophutheleyo , umzekelo, kufuneka ufune ukubonisana ne-ophthalmologist ngokukhawuleza.

Nangona kunjalo, bonke abantu kufuneka baye kuvavanyo lwamehlo oluqhelekileyo kwaye kufuneka baye kugqirha:

• Ekuzalweni: kufuneka wenze uvavanyo lwamehlo kwiwadi yokubeleka okanye kwiofisi yamehlo
• Kwiminyaka emi-5: ngaphambi kokuya esikolweni kubalulekile ukuba ubhale uviwo ukuze ufumanise iingxaki zombono, ezinje nge-myopia, enokuthi ithintele inkqubo yokufunda, kwaye kufuneka uphinde uvavanyo rhoqo ngonyaka ngeli xesha;
• Phakathi kweminyaka engama-20 nama-40 ubudala: umntu kufuneka azame ukuya kugqirha wamehlo ubuncinci kabini ngeli xesha;
• Phakathi kweminyaka engama-40 nama-65: Amehlo kufuneka avavanywe qho emva kweminyaka eyi-1-2, kuba ukubona kunokwenzeka ukuba kudinwe;
• Emva kweminyaka engama-65: kubalulekile ukuvavanya amehlo unyaka nonyaka.

Ukongeza, ugqirha unokucebisa ngakumbi rhoqo kwaye ngakumbi uvavanyo oluthe ngqo, ukuba umntu unesifo seswekile, uxinzelelo lwegazi oluphezulu, i-glaucoma okanye unomsebenzi ofuna ukubonwa, njengokusebenza ngamalungu amancinci okanye kwikhompyuter.