Incazelo yeso lokubona izindlebe n
Ukubona eduze noma i-hyperopia yisimo esingavamile samehlo lapho iso lingakwazi ukubona indawo eseduze noma indawo eseduze ibonakala ifiphele. Umuntu ojwayelekile onamehlo ajwayelekile unendawo eseduze engama-25 cm.
Imbangela yokungaboni kahle kwamehlo
Ngokusekelwe encazelweni yangaphambilini, kungaphethwa ngokuthi imbangela yokubona kude yi-cornea kanti ilensi yeso ayigobile kangako,
ukuze ubude bokugxila besistimu yelensi ye-cornea-eye bubaluleke kakhulu, okubangela ukuthi ukukhanya okuvela endaweni eseduze kugxile ngemuva kwe-retina.
I-Hyperopia ifana ne-presbyopia. I-Presbyopia isifo samehlo lapho ikhono leso lokubekezelela lincipha khona ukuze indawo eseduze isuke njengoba iminyaka yomuntu ikhula. I-Presbyopia ibangelwa ukuguga, kuyilapho izici zofuzo noma zofuzo zibangela i-hyperopia.
Isixazululo seso lokubona izindlebe
Amehlo aseduze agxila ukukhanya ngemuva kwe-retina. Ukuze ukukhanya okuseduze kube okuvamile, ukukhanya kumele kugxile kwi-retina. Ukukhanya kungagxila kwi-retina uma ilensi eqondile ibekwa phambi kweso. Amalensi aqondile asiza ukuhlanganisa ukukhanya, ukuze akwazi ukugxila ngqo kwi-retina.
