txheem
Tus kws qhia ntawv muab nti rau hauv pob ntseg rau cov niam txiv ntawm Bastien, 5, thiab tus kws kho qhov muag pom tseeb qhov kev kuaj mob: lawv tus tub yog qhov muag tsis pom kev. "Nws yog ib qho teeb meem hauv lub hauv paus thiab keeb kwm ntawm cov xim tsis pom kev, uas cuam tshuam rau 4% ntawm cov pej xeem thiab feem ntau yog cov tub hluas, qee lub cones nyob rau hauv lub retina yog tsis tuaj los yog hloov", piav qhia Dr. Zwillinger, ophthalmologist.
Zaj lus tim khawv ntawm Vincent, 30 xyoo: “Nws muab cov xwm txheej lom zem rau peb! “
"Kuv cov viv ncaus qhuas cov paj liab liab zoo nkauj hauv lub vaj, lawv hais tias… tab sis kuv tsis pom lawv !!! Rau kuv, lawv tau ntsuab, zoo li cov nyom! Ib yam li lawv tab tom tham txog tus liab Austin uas peb niam peb txiv khaws cia rau xyoo… Rau kuv, nws yog ntsuab! “
Xim dig muag, tus me nyuam muaj qhov muag pom xim ntawm tus kheej
Nyob rau hauv txoj cai, tus me nyuam tsis pom liab, uas nws confuses ntsuab. Dr. Zwillinger hais tias "Yog tias koj muab cov kua liab thiab kua ntsuab rau ntawm nws xub ntiag, nws yuav nyuaj rau qhov txawv ntawm lawv txawm tias lawv tsis zoo ib yam ntxoov ntxoo," hais tias Dr. Xiav-daj tsis meej pem kuj tuaj yeem tshwm sim yog tias, piv txwv li, lub khob hliav qab xiav ntawm lub qhov muag raug cuam tshuam. Thaum kawg, tsawg zaus, tus menyuam tsis paub qhov txawv ntawm cov xim. "Nws yog achromatic vim peb lub cones loj - liab, ntsuab thiab xiav - raug cuam tshuam," nws hais. Tab sis feem ntau ntawm cov sij hawm, tus me nyuam tsis pom tsawg dua xim, nws tsuas muaj nws tus kheej pom palette. "Cov neeg dig muag xim pom cov xim uas tsis pom zoo rau peb, lawv tsis muaj qhov sib xws", qhia tus kws kho qhov muag.
Kev ntsuam xyuas kom pom qhov muag tsis pom xim
Yog tias, hauv chav kawm, peb tus tub kawm ntawv ua tus cim tsis raug lossis xim ntawm daim nplaum, tus kws qhia ntawv yuav tsum ceev faj thiab coj nws rov qab rau peb. Tsis tas li ntawd, nco qab Dr. Zwillinger: “Kev sab laj nrog tus kws kho qhov muag tau npaj rau 6 xyoo ntawm tus menyuam, nrog rau kev kuaj ntshav liab-ntsuab. Yog tias xav tias qhov muag tsis pom xim, qhov kev sim Ishihara yuav raug ua, tom qab ntawd lees paub los ntawm lwm qhov kev ntsuas ntsuas - qhov desaturated 15 Hue - txhawm rau txheeb xyuas qhov sib txawv ntawm qhov sib txawv ntawm qhov pom xim.
Thaum kuaj pom qhov muag tsis pom xim, peb yuav ua li cas?
"Kev dig muag xim tsis yog kab mob lossis tsis muaj kev puas tsuaj, vim tias nws tsis ua rau muaj teeb meem tshwj xeeb ntawm kev ua haujlwm ntawm qhov muag, thiab cov menyuam yaus uas muaj qhov muag tsis pom kev zoo nyob nrog nws. Lawv tsuas loj hlob tuaj nrog lawv lub zeem muag xim, "reassures tus ophthalmologist. Thiab tsis muaj kev kho mob uas muaj ntawv pov thawj los kho qhov tsis pom kev. Ntawm qhov tod tes, tus menyuam yuav tsis tuaj yeem dhau los ua tus tsav dav hlau, thiab yog tias nws npau suav los ua tus kws tshaj lij lossis cov tub rog (cov haujlwm uas muaj kev paub zoo ntawm cov xim), nws yuav tsum tau xeem qhov kev xeem tshwj xeeb hauv kev laus kom ua tau zoo. soj ntsuam. nyob rau theem kws tshaj lij. Nyob rau lub sijhawm no, nws yog ib qho tseem ceeb uas yuav tsum ceeb toom koj tus kws qhia ntawv, nrog rau daim ntawv pov thawj kev kho mob ua pov thawj rau kev kuaj mob los ntawm tus kws kho qhov muag, kom tsis txhob muaj kev pheej hmoo ua rau tus menyuam kawm ntawv nyob rau hauv qhov xwm txheej tsis ua haujlwm thaum muaj cov xim sib txawv. Lub tswv yim me ntsis los pab nws nrhiav nws txoj hauv kev nyob ib puag ncig nws cwj mem: lo cov ntawv me me nrog lub npe ntawm cov xim ntawm txhua tus!