Zolemba zamagetsi

Electroretinography ndiyeso yoyezera kuyankha kwamagetsi kwamaselo owoneka bwino amaso, otchedwa ndodo ndi ma cones. Maselowa ndi mbali ya diso (kumbuyo kwa diso).

Mukakhala pampando, wothandizira zaumoyo amakupatsani madontho osasunthika m'maso mwanu, chifukwa chake simudzakhala ndi vuto lililonse mukamayesedwa. Maso anu amakhala otseguka ndi kachipangizo kakang'ono kotchedwa speculum. Chojambulira chamagetsi chimayikidwa pa diso lililonse.

Electrode imayesa magwiridwe antchito a diso potengera kuwala. Kuwala kukuwala, ndipo kuyankha kwamagetsi kumayenda kuchokera pa elekitirodi kupita pazenera ngati TV, pomwe imatha kuwonedwa ndi kujambulidwa. Njira yokhazikika yoyankhira ili ndi mafunde otchedwa A ndi B.

Woperekayo amatenga zowerengerazo mchipinda choyenera kenako mumdima, mutalola mphindi 20 kuti maso anu azolowere.

Palibe kukonzekera kwapadera komwe kuyenera kuyesedwa.

Ma probes omwe amakhala m'diso lanu amatha kumva pang'ono. Mayesowa amatenga pafupifupi ola limodzi kuti achite.

Kuyesaku kumachitika kuti muwone zovuta za diso. Zimathandizanso kudziwa ngati opaleshoni ya retina ikulimbikitsidwa.

Zotsatira zodziwika bwino ziwonetsa mtundu wabwinobwino wa A ndi B poyankha kung'anima kulikonse.

Zinthu zotsatirazi zingayambitse zovuta:

• Arteriosclerosis ndi kuwonongeka kwa diso
• Khungu lobadwa usiku
• Congenital retinoschisis (kugawanika kwa zigawo za retinal)
• Giant cell arteritis
• Mankhwala (chloroquine, hydroxychloroquine)
• Mucopolysaccharidosis
• Gulu la Retinal
• Ndodo-dystrophy (retinitis pigmentosa)
• Zowopsa
• Kulephera kwa Vitamini A.

Kornea imatha kukanda kwakanthawi pamwamba pa ma elekitirodi. Kupanda kutero, palibe zowopsa ndi njirayi.

Simuyenera kupukuta maso anu kwa ola limodzi mutayesedwa, chifukwa izi zitha kuvulaza diso. Wopereka wanu adzakambirana nanu za zotsatira za mayeso ndi zomwe akutanthauza kwa inu.

ERG; Kuyesa kwa Electrophysiologic

• Lumikizanani ndi ma elekitirodi amagetsi pamaso

Baloh RW, Jen JC. Neuro-ophthalmology. Mu: Goldman L, Schafer AI, olemba. Mankhwala a Goldman-Cecil. 26 wa. Philadelphia, PA: Elsevier; 2020: mutu 396.

Miyake Y, Shinoda K. Zachipatala zamagetsi. Mu: Schachat AP, Sadda SVR, Hinton DR, Wilkinson CP, Wiedemann P, olemba. Retina wa Ryan. Lachisanu ndi chimodzi. Philadelphia, PA: Elsevier; 2018: mutu 10.

Reichel E, Klein K. Retinal zamagetsi. Mu: Yanoff M, Duker JS, olemba. Ophthalmology. 5th ed. Philadelphia, PA: Elsevier; 2019: chaputala 6.9.