Kayan lantarki

Electroretinography gwaji ne don auna amsar lantarki na kwayar ido masu saukin haske, wanda ake kira sanduna da cones. Wadannan kwayayen sune bangaren kwayar ido (bangaren bayan ido).

Yayin da kake zaune, mai bayar da kiwon lafiya ya sanya digo a idanunka, don haka ba za ka sami damuwa ba yayin gwajin. Idanunku a buɗe suke da ƙaramar na'urar da ake kira speculum. An sanya na'urar firikwensin lantarki (lantarki) akan kowace ido.

Wutar lantarki tana auna aikin lantarki na kwayar ido a sakamakon haske. Haske yana walƙiya, kuma amsar wutar lantarki ya tashi daga lantarki zuwa allon kama mai TV, inda za'a iya duba shi da rikodin sa. Tsarin amsawa na yau da kullun yana da raƙuman ruwa da ake kira A da B.

Mai ba da sabis ɗin zai ɗauki karatun a cikin hasken ɗaki na yau da kullun sannan kuma a cikin duhu, bayan barin minti 20 don idanunku su daidaita.

Babu wani shiri na musamman da ya zama dole don wannan gwajin.

Binciken da ke kan idonka na iya jin ɗan ɗan kaɗan. Jarabawar tana ɗaukar awa 1 don yin ta.

Ana yin wannan gwajin ne don gano cututtukan kwayar ido. Hakanan yana da amfani don tantancewa idan an bada shawarar yin aikin tiyatar.

Sakamakon gwaji na yau da kullun zai nuna tsarin A da B na al'ada don amsawa ga kowane walƙiya.

Yanayi masu zuwa na iya haifar da sakamako mara kyau:

• Arteriosclerosis tare da lalata kwayar ido
• Makantar da daddare
• Hanyar retinoschisis na haihuwa
• Giant cell arteritis
• Magunguna (chloroquine, hydroxychloroquine)
• Mucopolysaccharidosis
• Rage ganuwa
• Rod-mazugi dystrophy (retinitis pigmentosa)
• Rauni
• Rashin Vitamin A

Cornea na iya samun ƙarancin wucin gadi a saman daga wutan lantarki. In ba haka ba, babu haɗari tare da wannan aikin.

Bai kamata ku goge idanunku na awa ɗaya bayan gwajin ba, saboda wannan na iya cutar da jijiyoyin jikin mutum. Mai ba ku sabis zai yi magana da ku game da sakamakon gwajin da kuma abin da suke nufi a gare ku.

ERG; Gwajin Electrophysiologic

• Saduwa da tabarau mai haske akan ido

Baloh RW, Jen JC. Neuro-ophthalmology. A cikin: Goldman L, Schafer AI, eds. Magungunan Goldman-Cecil. 26th ed. Philadelphia, PA: Elsevier; 2020: babi 396.

Miyake Y, Shinoda K. Clinical electrophysiology. A cikin: Schachat AP, Sadda SVR, Hinton DR, Wilkinson CP, Wiedemann P, eds. Ryan's Retina. Na 6 ed. Philadelphia, PA: Elsevier; 2018: babi na 10.

Reichel E, Klein K. Retinal electrophysiology. A cikin: Yanoff M, Duker JS, eds. Ilimin lafiyar ido. 5th ed. Philadelphia, PA: Elsevier; 2019: babi na 6.9.