Ungasenza kanjani isivivinyo ukuqinisekisa ukungaboni kombala

-Delile

• Ukuhlolwa kokutholakala kombala okutholakalayo
• 1. Ukuhlolwa okuku-inthanethi kwabantu abadala
• 2. Ukuhlolwa kwezingane online
• Olunye uvivinyo olungasiza
• Lapho usola ubumpumputhe bombala

Ukuhlolwa kobumpumputhe bemibala kusiza ukuqinisekisa ukuba khona kwalolu shintsho embonweni, ngaphezu kokusiza udokotela ukukhomba uhlobo, olugcina lusiza ekwelashweni. Yize ukuhlolwa kombala kungenziwa online, ukuxilongwa kobumpumputhe bombala kufanele kuqinisekiswe ngudokotela wamehlo.

Ukukhomba ubumpumputhe bombala ebuntwaneni kubalulekile enganeni ukuthi izizwe ihlanganiswe kakhulu ekilasini, ikhuphule impumelelo yesikole. Endabeni yabantu abadala, ukwazi uhlobo lwabo lokungaboni ngemibala kusiza ukwamukela amasu okwazi ukuhlanganisa imibala ezingutsheni noma ekuhlobiseni, noma ukwazi ukwehlukanisa phakathi kwama-apula aluhlaza nokubomvu, isibonelo.

Ukuqonda kangcono ukuthi kuyini ukungaboni kombala nokuthi yiziphi izinhlobo ezikhona.

Ukuhlolwa kokutholakala kombala okutholakalayo

Kunezivivinyo ezinkulu ezi-3 ezingasetshenziswa ukusiza ukuxilonga ubumpumputhe bombala. Kubandakanya:

• Ukuhlolwa kwe-Ishihara: kwenziwa ngokubheka amakhadi amachashazi e-shades ehlukahlukene, lapho umuntu kufanele asho ukuthi iyiphi inombolo angayibona;
• Ukuhlolwa kukaFarnsworth: kusiza ukuxilonga ukungaboni kahle kombala futhi kwenziwa kusetshenziswa amathreyi amane epulasitiki, anama-capsule ayikhulu ngamathoni ahlukene, okumele umbukeli awahlele ngombala, ngemizuzu eyi-15;
• Ukuhlolwa Kovolo weHolmgreen: lokhu kuhlolwa kuhlola ikhono lokwehlukanisa imicu ehlukene yoboya yemibala ehlukene ngombala.

1. Ukuhlolwa okuku-inthanethi kwabantu abadala

Olunye lwezivivinyo olungenziwa kalula ekhaya ukuzama ukukhomba icala lokungaboni ngemibala ukuhlolwa kwe-Ishihara. Ngalokhu, isithombe esilandelayo kufanele sibhekwe:

Okufanele kuqashelwe ezithombeni yile:

• Isithombe 1:umuntu onombono ojwayelekile ubheka inombolo 7;
• Isithombe 2:inombolo 13 kufanele ibhekwe ukukhombisa umbono ojwayelekile.

Yize lokhu kuhlolwa kungakhombisa ubungozi bokuthi umuntu abe nobumpumputhe bombala, akusizi ukwenza ukuxilongwa futhi, ngakho-ke, kufanele uhlale uthintana nodokotela wamehlo.

2. Ukuhlolwa kwezingane online

Isivivinyo sezingane se-Ishihara siqukethe ukubuka ukwakheka nezindlela zejometri, ngoba izingane azizazi njalo izinombolo, yize zikwazi ukuzibona.

Ngakho-ke, ukwenza isivivinyo nengane, kufanele ubacele ukuthi bagcine izithombe ezilandelayo cishe imizuzwana emi-5 futhi bazame ukulandela izindlela ezethulwe ngomunwe wakho.

Lapho ingane ingakwazi ukubika lokho ekubonayo, futhi ingakwazi ukulandela ukwakheka ngaphezulu kwesithombe, ingakhombisa icala lokungaboni ngombala futhi, ngakho-ke, kuyalulekwa ukuxhumana nodokotela wezingane nodokotela wamehlo.

Olunye uvivinyo olungasiza

Ngaphezu kwalokhu kuhlolwa, udokotela futhi angasebenzisa ezinye izindlela, njengokuhlolwa kwe-electroretinography, ngokwesibonelo, ukuhlola impendulo kagesi yeso ekukhanyeni okukhanyayo.

Amacala amabi wokungaboni kahle ezimweni eziningi kungenzeka angatholakali, ngoba umuntu akazizwa enoshintsho oluningi ezinsukwini zakhe zansuku zonke, ngakho-ke, futhi akafuni usizo lwezokwelapha.

Lapho usola ubumpumputhe bombala

Imvamisa kusuka eminyakeni emithathu ubudala kungasolwa ukuthi ingane i-colorblind lapho ingakwazi ukubona kahle imibala, kepha imvamisa ukuxilongwa kwayo kwenziwa kamuva, lapho ivele ibambisene kangcono nokuhlolwa, ukukhomba kangcono izibalo kanye nokuhlolwa izinombolo.

Kungenzeka uqale ukungakuthembi ukuxilongwa lapho ingane ingakwazi ukuphendula kahle lapho ibuzwa ngombala noma ipenda imidwebo enemibala engafanele, njengokupenda upende wesanqante noma utamatisi ophuzi, isibonelo.

Ngaphezu kwalokho, olunye uphawu olujwayelekile lokungaboni ngemibala luvela ebusheni lapho umuntu omusha engakwazi ukuhlanganisa imibala kahle. Ngakho-ke, kunconywa ukuthi uthintane nodokotela wezifo zamehlo ngaphambi kokuba ingane ingene esikoleni, ukwenza izivivinyo zombono ezifanele futhi ihlolisise izinkinga ezingaba khona ngaphezu kombala wobumpumputhe.