Isikhuselo phambi kwamehlo kuyimpawu yezifo ezinxulumene nokuphazamiseka kwezixhobo ezibonwayo, kunye neengxaki zokusebenza kwenkqubo ye-nervous. Isikhuselo kwamehlo senza umbono ungacacile, ngelixa iintambo zezinto zilahlekelwa ukucaca kwazo, kwaye imibala ibonwa njengento ebanzi.
Iimbangela zokubonakala kweveyili phambi kwamehlo
Umbono ogqityiweyo ungenzeka ngezikhathi okanye ube unaphakade. Cinga ngezizathu eziqhelekileyo zokubonakala kweemfumba emehlweni.
Ukuphuhliswa kweengxaki
I-Cataract idibene ne-clouding lens. Isi sifo sinomgangatho oqhubekayo. Ii-vitamin complexes zamehlo (Katachrom, Quinaks, Taufon) zisetyenziselwa unyango, kodwa unokubuyisela umbono wakho ngokupheleleyo kuphela ngoncedo lwentsebenziswano ehambelana nokutshintshwa kwelensi.
Ukuhlaselwa kwe-glaucoma
Isikhuselo phambi kwamehlo kunye nekhanda elibi, elikuyo kwicala lesilonda, yizona zibonakaliso eziphambili ze-glaucoma. Ama-analgesics anqunyelwe isigulane, kunye nezidlovetics zokunciphisa uxinzelelo. Xa kungabikho umphumo wokulondoloza, kulindeleke ukuba kungenelelo lophuhliso.
I-retinal detachment
Iveyili, i-flare okanye iqhube phambi kwamehlo - uphawu lomsebenzi we-retina. Iimpawu ezinjalo akufanele zinyanzeliswe, njengoko izicubu ezinokuphefumula ziyafa, kwaye, ekuboniseni ukungakhathali, umntu unokuphelelwa yimpumelelo ngonaphakade.
Tshintsha kwimeko yokusebenza kweempahla ze-retina
Ngokuchasene nemvelaphi yengozi yomshukela, i- atherosclerosis , ukungasebenzi kwe-adrenal gland okanye isifo sikashukela sinokuphulwa kwempahla ye-retina. Ngomlinganiselo omonakalo omkhulu, isigulane sinokuphelelwa yinto. Kanye kunye nokunyangwa kwesifo esisisiseko, unyango lwe-ophthalmic lufunekayo phantsi kolawulo lweengcali.
Izifo ze-cornea
Umkhusane omhlophe phambi kwamehlo okwenzeka kwimeko apho imilayezo yokukhanya ingangeni kwi-retina. Le nto ibonakalayo kwizifo ezihambelana nokuvuvukala kwe-cornea yelihlo. Uninzi lwamaxesha amaninzi uphawu oludlulayo emva kwexesha elithile, kodwa ngokuguqulwa kwamathambo kwiisuncu zamehlo, ukuvakalelwa kweso sigxina kuyasigxina.
Pathologies
Kwizifo ezihambelana nokuphazamiseka kwegazi
Ukulimala kwentloko
Njengomphumo wokulimala okanye ukulimala kwentloko ngeengxubusho zengqondo, umboniso obonakalayo uyabonwa. Imifanekiso ebonwayo ebonakalayo ilahlekelwa ukucaca kwayo. Kule meko, ukuphumla kokulala okucetywayo kunye namachiza anokukhuthaza ukulungiswa kwegazi kunye nokubuyiselwa kwezicubu zeengqondo.