Wake wabhajwa uzama ukukhetha ingubo ethi, "Ingabe lokhu kuluhlaza okwesibhakabhaka? Noma okunsomi?" Noma wake wazizwa sengathi ubona umbala ngendlela ehlukile lapho umngane ekukhombisa? Mhlawumbe wamangala ukubona indodana yakho isebenzisa onsundu esikhundleni sohlaza lapho ifaka umbala esithombeni. Izinto ezinjengalezi zivame kakhulu phakathi kwethu. Isizathu salokhu kungaba umehluko omncane endleleni amehlo akho abona ngayo imibala, okubizwa ngokuthi i-Color Vision Deficiency. Namuhla sizokhuluma ngokuhlolwa okuzokutshela kahle ukuthi kuyini lokhu, okwaziwa ngokuthi 'i-Color Blind Test'.
Kuyini ngempela 'Ukuhlolwa Kokungaboni Kombala'?
Kalula nje, lokhu ukuhlolwa lapho udokotela wakho, ikakhulukazi udokotela wamehlo, ekuvivinya khona ukuze abone kahle ukuthi ubona imibala kahle kangakanani. Nakuba sikubiza ngokuthi 'ukuhlolwa kokubona imibala', kuyiphutha kancane. Ngoba uma sithi 'ukungaboni', sicabanga ngokungaboni lutho. Kodwa lesi simo asikona ukulahlekelwa ngokuphelele kokubona imibala. Ukungaboni imibala ngokuphelele kuyisimo esingavamile kakhulu.
Empeleni okwenzekayo ukuthi eminye imibala, ikakhulukazi ebomvu neluhlaza okotshani, noma eluhlaza okwesibhakabhaka nephuzi, kunzima ukuyihlukanisa komunye nomunye. Ngakho-ke igama elinembile kakhulu lalokhu ukuhlolwa kokubona imibala . Lokhu kwenzelwa ukuhlola ukuthi ubona futhi ubona kanjani imibala.
Udokotela wakho angase akwenze lokhu kuhlolwa uma uya kohlolwa amehlo njalo. Noma ingane yakho ingase ikwenze ngesikhathi sokuhlolwa kwamehlo esikoleni. Bazokwazisa uma kukhona ushintsho ekuboneni kombala wengane yakho nokuthi uma kudingeka ibone udokotela wamehlo.
Ingabe Ukuhlolwa Okuku-inthanethi Kungathenjwa?
Kulezi zinsuku, abantu abaningi abasola ukuthi banenkinga bangena ku-inthanethi bayifune. Uma usesha 'ukuhlolwa kombala okungenambala', uzothola izivivinyo eziningi ku-inthanethi. Uma unokungabaza okuncane kakhulu ngokubona kwakho imibala, ukuthatha isivivinyo esinjengalesi kungaba yindawo enhle yokuqala.
Kodwa khumbula lokhu. Ukuhlolwa okuku-inthanethi kumane kuwukulingisa ukuhlolwa kwezokwelapha kwangempela. Akusoze kwanquma ngokusobala ukuthi unesifo sokubona imibala. Kufanele nakanjani ubone udokotela, ikakhulukazi udokotela wamehlo, futhi uthole ukuhlolwa okufanele.
Yiziphi izinhlobo zokuhlolwa? Kwenziwa kanjani?
Ngenxa yokuthi kunezinhlobo ezahlukene zokuntuleka kokubona imibala, kunezinhlobo ezahlukene zokuhlola okufanele zihlolwe. Kodwa zonke lezi zivivinyo zilula kakhulu, ziyashesha, futhiAkukho ubuhlungu nhlobo. Udokotela uzokukhombisa izithombe bese ekubuza ukuthi ubonani. Lezi kungaba izithombe ezikumakhadi, ezincwadini, noma esikrinini sekhompyutha.
Kunezinhlobo eziningana eziyinhloko zokuhlolwa.
1. Ukuhlolwa Kwepuleti Lombala
Lezi yizivivinyo ezisetshenziswa kakhulu. Zibizwa nangokuthi "izivivinyo zepuleti le-pseudoisochromatic." Kulolu vivinyo, ucelwa ukuthi ukhombe inombolo, isimo, noma uhlamvu olunombala ohlukile ngemuva kwamachashazi amancane anemibala nobukhulu obuhlukene. Ungabona isimo kuphela uma ukwazi ukuhlukanisa phakathi kwemibala emibili.
2. Uku-oda Izivivinyo
Kulezi zivivinyo, unikezwa isethi yamakhadi noma amabhlogo anemibala ehlukene bese ucelwa ukuthi uwahlele ngokulandelana okuthile ngokombala wawo. Isibonelo, ungase ucelwe ukuthi uwahlele ngokulandelana kusukela koluhlaza okwesibhakabhaka olukhanyayo kuya koluhlaza okwesibhakabhaka olumnyama.
3. Ukuhlolwa Kokuqhathanisa
Lezi yizindlela ezinembile kakhulu zokuxilonga ukuntuleka kombala obomvu noluhlaza okotshani. Kodwa-ke, azivamile ukusetshenziswa emitholampilo. Zisetshenziswa kakhulu ocwaningweni. Kusetshenziswa idivayisi ekhethekile ebizwa ngokuthi i-"Anomaloscope" kulokhu.
Manje ake sibheke ngokuningiliziwe ezinye zezivivinyo ezisetshenziswa kakhulu.
| Igama lokuhlolwa | Uhlola ini? | Indlela yokukwenza |
|---|---|---|
| Ukuhlolwa kwe-Ishihara | Ukuntuleka kombala obomvu noluhlaza kubantu abadala. | Babonise amashidi anamachashazi angu-8 kuya kwangu-34 bese ubacela ukuthi basho inombolo noma uphawu olufihliwe lapho. |
| Ukuhlolwa kwe-HRR eRichmond | Kokubili ukuntuleka kombala obomvu-oluhlaza okotshani kanye noluhlaza okwesibhakabhaka-ophuzi kanye nobunzima bawo. | Kunikezwe amaphepha asekelwe kumachashazi angu-24 ukusiza abafundi ukuhlonza izimo ezifana nezikwele, imibuthano, kanye nonxantathu. |
| Ukuhlolwa kwe-CVTME (kwabantwana) | Ukuntuleka kombala obomvu noluhlaza ezinganeni ezincane eziphakathi kweminyaka engu-3-6. | Esikhundleni sezinombolo, zinikezwa izimo ezilula njengezindilinga, izikwele, nezinkanyezi, kanye nezithombe ezifana nezikebhe nezindlu ukuze zibonakale. |
| I-Farnsworth-Munsell D-15 | Kokubili ukuntuleka kombala obomvu-oluhlaza okotshani kanye noluhlaza okwesibhakabhaka-ophuzi . | Amabhulokhi emibala engu-15 ehlukene anikezwa ukuthi ahlelwe ngokulandelana kwemibala yawo. |
Ithini imiphumela yokuhlolwa?
Into engcono kakhulu ngalolu vivinyo ukuthi akudingeki ulinde isikhathi eside ukuze uthole imiphumela. Udokotela uthola imiphumela ngokushesha nje lapho usuqedile. Ube esekuchazela yona ngamazwi alula:
- Uhlobo luni lokukhubazeka kokubona imibala onalo (isib. obomvu-oluhlaza noma oluhlaza okwesibhakabhaka-ophuzi).
- Kuyini ubukhali bayo (okungukuthi, ingabe imnene, iphakathi nendawo, noma inzima).
Ngezinye izikhathi, uma ukuhlolwa okukodwa kungakwazi ukuhlonza ngokunembile isimo, udokotela angase akuthumelele olunye ukuhlolwa.
Cabanga ngakho, noma ngabe ube nalesi simo kusukela ebuntwaneni, kungenzeka ukuthi ubungazi ngaso. Abanye abantu bathola ngengozi ukuthi abakwazi ukubona imibala ethile kahle. Ngakho-ke uma unokungabaza, khuluma nodokotela wakho ngobuqotho ngakho. Mtshele ngqo lokho okubonayo, ukuthi ukubona kanjani.
Lokhu akusikho ukuhlolwa "kokuphasa" noma "kokwehluleka". Azikho izimpendulo "ezilungile" noma "ezingalungile". Kumane nje kuyindlela yokuqoqa ulwazi mayelana namehlo akho kanye nokubona kwakho.
Uma nginenkinga yokubona imibala, yini okufanele ngiyenze?
Uma udokotela wakho ekutshela ukuthi unesifo sokubona imibala, ungakhathazeki noma wesabe. Lesi yisimo esivamile esithinta izigidi zabantu emhlabeni jikelele.
Lesi simo sivame ukubangelwa izici zofuzo. Okusho ukuthi, kuyinto edluliselwa esizukulwaneni kuya kwesinye. Ngakho-ke, akukho "khambi" lalokhu okwamanje. Kodwa-ke, kunezindlela eziningi zokukusiza uphile impilo evamile, engenazinkinga ngayo. Udokotela wakho uzokweluleka ngokwesimo sakho.
Ukunikeza izibonelo ezimbalwa:
- Izibuko noma amalensi akhethekile:Kwezinye izinhlobo zokungaboni imibala, kunezinhlobo ezikhethekile zamalensi ezisiza ukuhlukanisa imibala.
- Ubuchwepheshe buyasiza: Ungasebenzisa izinhlelo zokusebenza kuma-smartphone ukukusiza ukuthi ubone imibala okunzima ukuthi uyibone.
- Empilweni yansuku zonke: Izinto ezilula njengokulebula izingubo nokukhumbula ukuhleleka kwezingubo eziphezulu, eziphakathi, kanye nezansi ezibanini zomgwaqo kungenza impilo ibe lula.
- Ezinganeni: Uma ingane yakho inalesi simo, kubaluleke kakhulu ukutshela uthisha esikoleni ngaso. Uthisha angasebenzisa imibala okulula ukuthi ingane iqonde lapho ifundisa izifundo.
Into ebaluleke kakhulu ukuqaphela lesi simo bese ulungisa impilo yakho ngokufanele. Udokotela wakho uzokunikeza zonke iziqondiso ezidingekayo kulokhu.
Umlayezo Wokuya Nawe Ekhaya
- Ukungaboni imibala akuyona into okufanele uyesabe njengoba ungase ucabange. Kuyisimo esivamile kubantu abaningi emhlabeni jikelele.
- Nakuba kuwumqondo omuhle ukwenza isivivinyo online, ungathembeli kuphela emiphumeleni. Njalo bona udokotela wamehlo ukuze uthole ukuxilongwa okufanele.
- Ukuhlolwa kokubona imibala kuyindlela elula kakhulu, esheshayo, futhi engenabuhlungu.
- Lokhu akusikho ukuhlolwa. Ngakho-ke tshela udokotela ngokwethembeka nangokunembile lokho okubonayo ngesikhathi sokuhlolwa.
- Ngisho noma kutholakale ukuthi unesifo sokungaboni imibala, ungaphila ngempumelelo nangenjabulo naso. Kunezindlela eziningi nobuchwepheshe obutholakalayo namuhla ukukusiza ukuthi wenze kanjalo.
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