Ifoto y'imbere mu jisho? Reka tuvuge kuri Fundus Photography!

Ese wigeze wumva umuganga w'amaso avuga ati "Reka dufate ifoto y'imbere mu jisho ryawe"? Ushobora kuba waratunguwe gato ubyumvise. Ifoto y'imbere mu jisho ryawe? Uyifata ute? Uyibonamo iki? Ibibazo byinshi bigomba kuba byaraje mu mutwe. Izina ry'ubuvuzi ryaryo ni Fundus Photography . Iki ni ikizamini kidababaza, cyoroshye cyane kandi cy'ingenzi cyo gusuzuma ubuzima bw'ijisho ryawe. Reka tubiganireho neza kandi mu buryo bworoshye uyu munsi.

Fundus Photography ni iki mu by'ukuri?

Mu magambo make, Fundus Photography ni uburyo bufata ifoto (ifoto) y'urukuta rw'inyuma rw'ijisho ryawe, rwitwa fundus . Iyi foto yemerera umuganga w'amaso yawe gusuzuma neza bimwe mu bice by'ingenzi by'ijisho ryawe ingenzi ku kureba kwawe. Kimwe no gufata X-ray imbere mu mubiri wacu, ibi bidufasha kubona imbere mu jisho ryacu.

Tekereza ijisho ryacu nk'aho ari kamera. Umucyo uturutse hanze winjira mu jisho ugakubita ku gitambaro kiri inyuma. Icyo gice gisa n'igitambaro ni cyo iki kizamini kireba cyane. Ibice by'ingenzi by'ako gace ni ibi bikurikira:

• Retina: Uru ni urwego rw'uturemangingo tw’urumuri (`photoreceptors`) inyuma y'ijisho. Ni nk'ishusho iri muri kamera. Utu turemangingo tubona urumuri twohereza ayo makuru nk'ibimenyetso by'amashanyarazi mu bwonko. Ubwonko buhuza ibyo bimenyetso kugira ngo bukore ishusho "tubona".
• Macula: Iki ni cyo gice cy’ijisho cya retina cy’uruhu rw ...
• Imitsi y'amaso: Ibi bimeze nk'umugozi w'amakuru hagati y'amaso yacu n'ubwonko bwacu. Amakuru yose aturuka muri retina ajyanwa mu bwonko binyuze muri uyu mutsi. Indwara nyinshi z'amaso zishobora kugira ingaruka kuri uyu mutsi w'amaso.
• Choroid: Uru ni urwego ruri munsi ya retina. Rurimo urusobe rw'imitsi y'amaraso itanga amaraso, ogisijeni, n'intungamubiri muri retina.

Kubungabunga ibi bice byose ni ingenzi cyane ku kureba kwawe. Amafoto ya Fundus ashobora kubona n'impinduka ntoya muri ibi bice.

Gufotora fundus bikorwa ryari?

Iki kizamini gishobora kandi gukorwa mu isuzuma ry’amaso risanzwe. Ibi bivuze ko gikorwa kugira ngo hamenyekane neza ko nta kibazo kiri mu maso yawe. Byongeye kandi, niba ufite ibimenyetso by’amaso cyangwa wumva ko amaso yawe yahindutse, iki kizamini kigomba gukorwa kugira ngo hamenyekane impamvu.

Gufotora fundus ni ingenzi cyane kugira ngo harebwe niba hari indwara zikurikira cyangwa niba izo ndwara zigenzurwa.

Imashini ikora iki kizamini ikora ite?

Kamera yihariye ikoreshwa mu gufotora fundus. Iyi yitwa `fundus camera`. Amavuriro y'amaso akenshi agira nibura ubwoko bumwe muri ubwo bwa kamera. Hari ubwoko bubiri bwa kamera.

1. Kamera isanzwe ya fundus: Iki ni igikoresho gisa n'indorerwamo. Gifite icyuma gitandukanye cyo gushyiraho akananwa n'agahanga. Hari lensi ku rundi ruhande kugira ngo muganga arebe. Mbere yo gufata ifoto ukoresheje ubwo bwoko bwa kamera , hashyirwaho ibitonyanga bimwe na bimwe bikura amaso mu jisho ryawe kugira ngo amaso akurane. Ibi bigufasha kubona neza imbere mu jisho ryawe.

2. Kamera zikoresha laser y'umurambararo mugari: Izi ni kamera nshya. Zishobora gufata ifoto isobanutse neza y'imbere mu jisho idakoresheje ubwiza bw'amaso. Ariko, rimwe na rimwe ishusho irushaho kuba nziza iyo ushyizemo ibitonyanga by'amaso. Muri iki gihe, ugomba kureba mu mwobo uzunguruka.

Ni iki wakwitega mbere no mu gihe cy'ikizamini?

Ntabwo ukeneye gukora imyiteguro idasanzwe kuri iki kizamini.

Ariko, niba muganga wawe afashe icyemezo cyo gushyira ibitonyanga mu jisho ryawe kugira ngo umwijima wawe ube munini, bizatwara iminota mike (ubusanzwe 15-20) kugira ngo umuti ukore. Muri icyo gihe, uzategereza igihe.

Mu gihe cy'ikizamini...

Ubunararibonye bwawe bushobora gutandukana gato bitewe n'ubwoko bwa kamera muganga wawe akoresha.

• Niba ukoresheje kamera isanzwe:

Uzicara mu ntebe hanyuma ugashyira agahanga n'uruhanga rwawe mu gitereko cya kamera. Ibi bizagufasha gufata ifoto isobanutse neza vuba kuko umutwe wawe utazigera unyeganyega. Iyo urebye muri icyo gikoresho, uzabona urumuri ruto. Uzakenera kugireba. Umuganga cyangwa umuhanga mu by'ikoranabuhanga ku rundi ruhande azahindura kamera agafata amafoto imwe ku yindi. Ibi bishobora gukorwa ku jisho rimwe cyangwa yombi.

• Niba uvuye kuri kamera ya laser:

Muri ibi, usabwa kureba neza ku kintu kizingiye. Uko ureba, urumuri rw'icyatsi kibisi , nk'urumuri rwa fotokopi, runyura mu maso yawe mu gihe cy'isegonda rimwe. Ni bwo ifoto ifatwa. Ubusanzwe, amafoto agera kuri atatu afatwa kuri buri jisho.

Bigenda bite nyuma yo gupimwa? Nzamenya nte ibisubizo?

Nyuma yo gufata amafoto, uzagira amahirwe yo kuvugana na muganga wawe. Kamera nyinshi ubu zigufasha kureba amafoto kuri ecran ya mudasobwa yawe.

Muganga azahita ashyira amafoto kuri ecran ya mudasobwa maze akwereke, agusobanurire ibiri mu jisho.

• Niba byose bimeze neza , muganga azabikubwira.
• Iyo habayeho impinduka cyangwa ibimenyetso by'uburwayi , bazasobanura ibyo ari byo n'icyo bakora kuri byo.
• Niba warigeze gukora iki kizamini mbere, ushobora kandi kugereranya amafoto mashya n'ashaje . Ibi bizagufasha kubona neza impinduka zabaye mu jisho uko igihe cyagiye gihita.

Bitewe n'ibisubizo by'amafoto, muganga wawe ashobora gukora kimwe cyangwa byinshi muri ibi bikurikira:

• Ndasaba ko habaho ibindi bizamini.
• Gutanga inama ku buryo bwo kuvura.
• Gutanga itariki yo gukurikirana gahunda.
• Kohereza undi muganga w’inzobere.

Ese hari ingaruka cyangwa ingaruka mbi kuri ibi?

Ikizamini cya Fundus Photography ni ikizamini cyizewe cyane . Nta ngaruka mbi nyinshi zituruka kuri iki kizamini.

Ariko, niba ufite ibitonyanga bikura kugira ngo ijisho ryawe ry'umukara rikure, ushobora kugira ingaruka nke. Ariko ntugahangayike, izi ni iz'igihe gito .

• Kureba bishobora kuba bitagaragara neza.
• Bishobora kugorana guhindura amaso kugira ngo ahuze n'urumuri rwinshi (`urumuri rwinshi` cyangwa `photophobia`).

Iyi ndwara ikunze gushira burundu mu masaha make. Muganga wawe azakubwira igihe ingaruka z'uyu muti zizamara.

Ese nshobora gutwara imodoka nyuma y'ikizamini?

Iki ni ikibazo abantu benshi bahura nacyo. Niba ijisho ryawe ry'umukara ryarabyimbye bitewe n'ibitonyanga mu maso, ni byiza kwirinda gutwara imodoka amasaha make . Ibi biterwa nuko amaso yawe adasobanutse neza, ibyo byongera ibyago byo gukora impanuka. Kubwibyo, ni byiza kujyana n'umuntu cyangwa gukoresha ubwikorezi rusange mu gihe uje muri iki kizamini kuruta gutwara imodoka wenyine.

Ivuriro risanzwe riguha ibipfukisho bifite ibara ry'uruhu bishobora kwambarwa nk'indorerwamo z'izuba kugira ngo bigabanye ubushobozi bwo kwangirika k'urumuri.