Ido da kewayewa da duban dan tayi
Ido da zagaye ta duban dan tayi gwaji ne don kallon yankin ido. Hakanan yana auna girma da sifofin ido.
Ana yin gwajin sau da yawa a cikin ofishin likitan ido ko kuma sashen kula da ido na asibiti ko asibiti.
Idonka ya dushe da magani (maganin saukad da hankali). An sanya sandar duban dan tayi (transducer) a gaban fuskar ido.
A duban dan tayi amfani da mitar sauti mai ƙarfi wanda ke tafiya ta cikin ido. Waiwaye (amo) na raƙuman sauti suna haifar da hoton tsarin ido. Gwajin yana ɗaukar minti 15.
Akwai nau'ikan sikan iri 2: A-scan da B-scan.
Ga A-scan:
- Sau da yawa zaka zauna a kujera ka sanya gemanka a hutun hutu. Za ku duba kai tsaye a gaba.
- An sanya ƙaramin bincike akan gaban idonka.
- Hakanan za'a iya yin gwajin tare da kai a kwance. Tare da wannan hanyar, ana sanya kofi mai cike da ruwa akan idonka don yin gwajin.
Ga B-scan:
- Za a zaunar da ku kuma ana iya tambayar ku ku duba wurare da yawa. Ana yin gwajin sau da yawa tare da rufe idanunku.
- Ana sanya gel a kan fatar ido na ido. Ana sanya binciken B-a hankali akan girar idanunku don yin gwajin.
Ba a buƙatar shiri na musamman don wannan gwajin.
Idonka ya firgita, saboda haka bai kamata ka sami damuwa ba. Za'a iya tambayarka ka duba ta hanyoyi daban daban don inganta hoton duban dan tayi ko kuma zai iya kallon yankuna daban na idonka.
Gel din da aka yi amfani da shi tare da hoton B zai iya gudana a kuncin ku, amma ba za ku ji wani damuwa ko zafi ba.
Kuna iya buƙatar wannan gwajin idan kuna da ciwon ido ko wasu matsalolin ido.
Wani hoto na duban dan tayi yana auna ido don tantance ikon dacewa na tabin ruwan tabarau gaban aikin tiyatar ido.
Ana yin B-scan ne don kallon cikin ido ko kuma sararin bayan ido wanda ba za'a iya ganinsa kai tsaye ba. Wannan na iya faruwa yayin da kake da ciwon ido ko wasu yanayin da ke sanya wuya ga likita ya gani a bayan idonka. Jarabawar na iya taimakawa wajen gano cututtukan kwayar ido, ciwace-ciwacen cuta, ko wasu matsaloli.
Don A-scan, ma'aunin ido yana cikin kewayon al'ada.
Don B-scan, sifofin ido da kewayewa suna bayyana daidai.
B-scan na iya nuna:
- Zuban jini zuwa cikin gel mai kyau (vitreous) wanda ke cika bayan ido (zubar jini mai ƙyama)
- Cancer na retina (retinoblastoma), a karkashin kwayar ido, ko kuma a wasu sassan ido (kamar melanoma)
- Nakasasshen nama ko rauni a cikin soket (orbit) wanda ke kewaye da kare ido
- Jikin ƙasashen waje
- Fitar da kwayar ido daga bayan ido (raunin ido)
- Kumburi (kumburi)
Don kauce wa yin ƙwanji, ba a shafa idanun da ke maku ba har lokacin da mai naƙasa ya daina aiki (kimanin minti 15). Babu wasu kasada.
Echography - zagayen ido; Duban dan tayi - zagayen ido; Oral ultrasonography; Bayani na zamani
- Tsarin ido da ido
Fisher YL, Sebrow DB. Saduwa da B-scan ultrasonography. A cikin: Yanoff M, Duker JS, eds. Ilimin lafiyar ido. 5th ed. Philadelphia, PA: Elsevier; 2019: babi na 6.5.
Guthoff RF, Labriola LT, Stachs O. Bincike na duban dan tayi. 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 11.
Thust SC, Miszkiel K, Davagnanam I. Orbit. A cikin: Adam A, Dixon AK, Gillard JH, Schaefer-Prokop CM, eds. Tsarin Rigakafin Hikimar Grainger & Allison: Littafin rubutu na likitancin hoto. Na 6 ed. Philadelphia, PA: Elsevier Churchill Livingstone; 2015: babi na 66.