Gwajin ganin launi

Gwajin hangen nesa na launi yana bincika ikon ku don rarrabe tsakanin launuka daban-daban.

Za ku zauna a cikin yanayi mai kyau a cikin hasken yau da kullun. Mai ba da kiwon lafiyar zai bayyana maka gwajin.

Za a nuna maka katunan da yawa tare da alamu mai launuka masu launi. Wadannan katunan ana kiransu da suna Ishihara plate. A cikin alamu, wasu dige zasu bayyana don ƙirƙirar lambobi ko alamu. Za a umarce ku don gano alamun, idan zai yiwu.

Yayin da kake rufe ido ɗaya, mai gwajin zai riƙe katunan inci 14 (santimita 35) daga fuskarka kuma ya umarce ka da sauri ka gano alamar da ke cikin kowane launin launi.

Dogaro da matsalar da ake zargi, ana iya tambayarka don ƙayyade ƙarfin launi, musamman a cikin ido ɗaya idan aka kwatanta da ɗayan. Ana yawan gwada wannan ta amfani da hular kwalban ido mai ja.

Idan yaronka yana yin wannan gwajin, yana iya zama da taimako a bayyana yadda gwajin zai ji, da yin atisaye ko nunawa a kan 'yar tsana. Yaronku zai daina damuwa game da gwajin idan kuka bayyana abin da zai faru kuma me ya sa.

Yawancin lokaci akwai katin samfurin dige masu launuka iri-iri waɗanda kusan kowa zai iya gano su, har ma mutanen da ke da matsalar hangen launi.

Idan kai ko yaron ka na sanye da tabarau, ka sa su yayin gwajin.

Ana iya tambayar Smallananan yara su faɗi bambanci tsakanin jar kwalbar da hular launuka daban.

Jarabawar tana kama da gwajin gani.

Ana yin wannan gwajin don ƙayyade ko kuna da wasu matsaloli game da ganinku na launi.

Matsalar hangen launi sau da yawa suna faɗawa zuwa gida biyu:

• A yanzu ana samun matsaloli ne daga haihuwa (na haihuwa) a cikin kwayoyin halitta masu haske (cones) na tantanin ido (Layer mai haske a bayan ido) - ana amfani da katunan launi a wannan yanayin.
• Cututtuka na jijiyar gani (jijiyar da ke ɗauke da bayanan gani daga ido zuwa kwakwalwa) - ana amfani da murfin kwalba a wannan yanayin.

A yadda aka saba, zaku iya rarrabe dukkan launuka.

Wannan gwajin zai iya ƙayyade matsalolin haihuwa na gaba (yanzu daga haihuwa) matsalolin hangen launi:

• Achromatopsia - makantar launi cikakke, yana ganin tabarau na launin toka kawai
• Deuteranopia - wahalar faɗi bambanci tsakanin ja / shunayya da kore / shunayya
• Protanopia - wahalar faɗi bambanci tsakanin shuɗi / kore da ja / kore
• Tritanopia - wahalar faɗi bambanci tsakanin rawaya / kore da shuɗi / kore

Matsaloli a cikin jijiyar gani na iya nunawa azaman asarar ƙarfin launi, kodayake gwajin katin launi na iya zama al'ada.

Babu haɗari tare da wannan gwajin.

Gwajin ido - launi; Gwajin gani - launi; Ishihara gwajin hangen nesa

• Gwajin makantar launi

Bowling B. Tsarin gado na dystrophies. A cikin: Bowling B, ed. Kanski na Clinical Ophthalmology. 8th ed. Philadelphia, PA: Elsevier; 2016: babi na 15.

Feder RS, Olsen TW, Prum BE Jr, et al. Eyeididdigar ƙwararrun ƙwararrun likitocin likita sun fi son jagororin tsarin aiki. Ilimin lafiyar ido. 2016; 123 (1): 209-236. PMID: 26581558 www.ncbi.nlm.nih.gov/pubmed/26581558.

Wallace DK, Morse CL, Melia M, et al; Cibiyar Nazarin Ilimin phtwararrun Americanwararrun Americanwararrun Americanwararrun Americanwararrun Americanwararrun phtwararrun phtwararrun Ilimin Ilimin Ilimin Ilimin Ilimin Ilimin /wararrun /wararrun /wararrun /wararrun /wararrun /wararrun /wararrun /wararrun /wararrun /wararren /wararren /wararren /wararren /wararren /wararren /wararren /abi'a / rabungiyar Strabismus Eyea'idodin eyeabi'ar Ilimin yara ido: I. hangen nesa a cikin kulawa ta farko da yanayin al'umma; II. cikakken gwajin ido. Ilimin lafiyar ido. 2018; 125 (1): 184-227. PMID: 29108745 www.ncbi.nlm.nih.gov/pubmed/29108745.