Yawancin lokaci ina samun kwanciyar hankali don sanin yadda abubuwa suke aiki. Wani lokaci kwatance suna taimaka min fahimta. Dauki tashi, misali. A lokacin jirgin da kansa, Ina son kallon fuka-fuki. Na saba da yaren ɗagawa daga tushen ilimin lissafi na. Amma, ɗagawa koyaushe yana ɗan ruɗi a gare ni. Na yi tunani ko ya kamata mu kira shi "up-tsotse" maimakon dagawa.
Wata rana na buga kwatankwacin da ya taimaka min fahimtar gaske: tsallake dutse a tafkin. Ainihin dagawa kenan. Dutsen yana tsalle akan mafi yawan ruwa mai yawa kuma yana tashi sama cikin iska mai ƙarancin ƙarfi. Danye, amma mai amfani. Musamman a lokacin wadanda lokacin da ka yi mamaki (kuma kada ka gaya mani ba ka yi mamaki ba), abin da a zahiri rike wannan babbar, batsa mai nauyi abu daga plummeting kai tsaye a cikin ƙasa tare da ni a kan jirgin clutching daya karshe kofin kofi; clutching wancan kofin da farko saboda kofi kyauta ne.
Aikina na zahiri shine ƙoƙarin tabbatar da idanu suna aiki tare gwargwadon yiwuwa. Fahimtar ta hanyar kwatanci yana taimakawa a nan, kuma. Mutane da yawa sun fahimci cewa muna fahimtar gani (muna gani) a cikin kwakwalwa. Sakon gani yana tafiya daga ido zuwa kwakwalwa a cikin nau'ikan jijiya guda biyu: daya yana ganin daki-daki da launi, ɗayan yana ganin motsi. Haɗin kai ne na waɗancan jijiyoyi guda biyu (“hanyoyi”) waɗanda, lokacin da suke aiki da kyau, suna ba mu tabbataccen gani na biyu (binocularity) wanda ke ba wa kwakwalwarmu mafi kyawun bayanan gani mai girma uku mai yiwuwa.
My fahimtar ma'amalar waɗannan hanyoyin kuma sadarwata da marasa lafiya da abokan aiki game da waɗancan hanyoyin ta sami taimako ta hanyar kwatancina na biyu daga duniyar yau da kullun: na linzamin kwamfuta da kwamfuta. Lokacin da kake motsa linzamin kwamfuta, allon kwamfuta yana tsayawa a farke; lokacin da kuka daina motsi linzamin kwamfuta, allon yana canzawa zuwa mai adana allo. Kwamfuta ta fara barci.
Wannan kwatankwacin yana ba da damar tattaunawa mai zurfi mai ban mamaki game da jijiya na gani ba tare da mutane sun rufe kunnuwansu ba suna kururuwa "TMI, bayanai da yawa."
Mouse na kwamfuta yana kiyaye allon kwamfutar a farke ta hanyar aika saƙon zuwa kwamfutar da linzamin kwamfuta ke motsawa. Motsi shine goyan bayan da ake buƙata don ingantaccen hoto akan allon kwamfuta.
Wannan shine yadda hanyoyin gani suke aiki. Hanya na gani mai ɗaukar motsi dole ne ya sami babban matakin aiki daga gano motsi a matakin retinal don samar da tallafin da ake buƙata don kiyaye hanyar daki-daki-da-launi a farke (a cikin hangen nesa na tsakiya), kamar dai linzamin kwamfuta (ko maballin keyboard) dole ne ya kasance cikin motsi don allon ya tsaya a farke.
To, wa ya damu? Kyawawan esoteric. Menene wannan yake da alaƙa da wani abu a cikin duniyarmu gaba ɗaya da ta lalace?
Cibiyar Brownstone ta sami imel mai raɗaɗi daga wani ɗan da aka shigar da mahaifiyarsa kwanan nan a asibiti don tiyata. Mahaifiyar tana da ciwon hauka a ƙarshen zamani. Dan ita kadai ta gane, kuma an kore shi daga asibiti saboda rashin sanya abin rufe fuska. Har yanzu ana neman hanyar haɗi zuwa linzamin kwamfuta?
A cikin Alzheimer's (Ba ni da takamaiman ganewar asali na mahaifiyar da ke da ciwon hauka), wannan cutar tana zaɓen yana lalata jijiyoyin gani da ke ɗaukar motsi. Don haka, tallafi don kiyaye daki-daki-da-launi (allon kwamfuta, idan kuna so) a farke yana lalacewa cikin lokaci tare da ci gaban cutar.
Ka sake tunani game da linzamin kwamfuta da allon kwamfuta. Ka yi tunanin, don sauƙin kwatanci, muna amfani da linzamin kwamfuta mai waya tare da abin da aka makala a cikin kwamfutar. Yanzu ka yi tunanin cewa mun sanya haɗin zuwa kwamfutar ɗan datti. Sai dan kazanta. Sai dan kazanta. Dattin zai riƙe haɗin ƙarfe kaɗan gaba kaɗan tare da kowane nau'in datti.
Shin kuna tsammanin siginar wutar lantarki daga linzamin kwamfuta zai sami sketchier tun lokacin da wutar lantarki ke motsawa cikin ƙazanta da ƙasa da inganci fiye da yadda yake tafiya ta ƙarfe? Kuma idan siginar lantarki daga motsi na linzamin kwamfuta ya sami sketchier, menene kuke tsammanin ya faru da allon kwamfutar?
Wataƙila zai kasance mai ƙarfi wajen amsawa ga mai-balkier, mafi kuskuren siginar “tsaya a faɗake” daga linzamin kwamfuta. Don haka, da alama allon zai iya yin barci ko da lokacin da kuke (rashin tasiri) motsa linzamin kwamfuta tun lokacin da siginar ba ta shiga akai-akai. Lokacin da allon ya tashi, linzamin kwamfuta ba zai kiyaye allon a farke ba kuma zai koma barci duk da cewa linzamin kwamfuta yana motsawa. Zaman lafiyar hoton allo yana samun sketchier da sketchier - ƙarancin daidaituwa ta lokaci kuma yana ƙaruwa akan lokaci - tare da ƙarin yadudduka na datti.
Yanzu koma zuwa Alzheimer's. Yayin da hanyar gano motsin motsi ke ci gaba da samun rauni, siginar tallafi don kiyaye cikakken hangen nesa yana samun sketchier, kuma kwanciyar hankali na hangen nesa na ci gaba da samun karyewa cikin lokaci.
Ƙara cikin wannan hoton gaskiyar cewa kwakwalwa lissafta duniyar gani da muke gani daga samuwa, bayanan gani da ke ƙara canzawa, bayanin sannan mai yiwuwa an daidaita shi ta hanyar ƙwaƙwalwa. juyayi, wanda ke faruwa akai-akai a cikin Alzheimer's, yana rage hankali, yana kara lalata karfin lissafin kwakwalwa.
Binciken hangen nesa ya nuna, da kuma Alzheimer's bincike ya yarda, cewa yayin da cutar ke ci gaba kuma hangen nesa ya kara karaya, ikon gano fuskoki shine da suka ji rauni – mai yiwuwa variably haka. Nan da nan, maimakon yin magana game da matsalolin ƙwaƙwalwar ajiya, muna da hoton mahaifiyar da ke da matsalolin ƙwaƙwalwar ajiya, wanda hangen nesa ba shi da kwanciyar hankali ta hanyar lokaci, mai yiwuwa ya kara damuwa, kuma ƙasa da kasa da damar halartar ta da kuma kara fashewar duniya na gani.
Kuma a cikin wannan asibiti, wacce ke fuskantar mahaifiyar za ta iya ganewa - wanda zai iya rage damuwarta ta haka zai rage ra'ayin daidaitawa, watakila sake dawo da wasu ƙalubalen ƙalubalen da ake ƙididdigewa-na gani-duniya - ko dai a rufe shi, rashin fahimta ko kuma, kamar yadda ya faru, an fitar da shi daga asibiti gaba ɗaya.
A cikin garinmu, an raba mazaunan Alzheimer na kula da ƙwaƙwalwar ajiya da mutanen da suke ƙauna kuma za su iya gane su ta hanyar tilasta wa waɗanda suke ƙauna su tsaya a waje su yi wa dan uwansu nakasa hannu ta tagar waje.
Menene matsalar jami'an kiwon lafiyar jama'a da fuskokin mutane? Mun riga mun damu da cewa kewaye jarirai da ainihin waɗanda ba su da fuska - fuskoki masu ɓangarorin ƙasa a rufe - na iya yin illa ga ci gaban gano fuska. Idan haɓaka ƙarfin gano fuska ya lalace, yana iya zama wanda ba a iya gyarawa.
Waɗannan jami'an kiwon lafiyar jama'a iri ɗaya kuma suna buƙatar dangin masu cutar Alzheimer su nisanta waɗancan fuskokin da za a iya gane su ko kuma a rufe su ba tare da an gane su ba.
Kawai a cikin waɗannan misalan, jami'an kiwon lafiyar jama'a suna nuna rashin kulawa da mutane fiye da tasirin ƙwayar cuta kai tsaye. A bayyane yake babu wasu tasirin da zai yiwu a cikin wannan a cikin mutane. Kwayoyin cuta suna shafar mutane, manufofin kulle-kulle ba sa, a yanayin lafiyar jama'a.
Wannan ya ba da umarnin rashin kulawa da manufa watakila biyu daga cikin mafi raunin ƙarshen bakan ɗan adam: jarirai da tsofaffi waɗanda ke fama da cutar Alzheimer. Lafiyar jama'a a fili ba ta da sha'awar iya ganowa da kuma yaba fuskoki, da abin da hakan ke nufi da zama ɗan adam.
Ayn Rand ne ya rubuta Fountainhead, “Babu wani abu da ya kai fuskar mutum, ko kuma mai iya magana, ba za mu taɓa sanin wani mutum ba, sai da kallon farko da muka yi masa, domin a wannan kallon mun san komai, ko da yake ba koyaushe ba ne muke da hikima don buɗe ilimin.
Me yasa waɗannan jami'ai ke zabar yara da tsofaffi? Jahilci ne? Wawanci? Idan haka ne, shawarata ta farko cewa jami'an kiwon lafiyar jama'a a wannan ƙasa da duniya sun rasa kiransu na rubuta jagorar jagora don tiren ice cube alama tabo.
Ko kuwa wani abu ne da ya fi muni kamar sha'awar mulki wanda ya dace da ɓata ɗan adam a matsayin kayan aiki? Sha'awar mulki mai ƙarfi sosai har ta kusanci sha'awar cutar da ita, ko aƙalla ba da izini ga wani takamaiman matakin empathy alhali kuwa yana wulakanta mutane. Wataƙila sha'awar aiwatarwa da kare buƙatun wutar lantarki babu shakka babu tambaya game da sabon “kimiyya” da ya kafa kansa.
Yana irin tunatar da ni da zamanin zubar jini, a wani lokaci "kimiyya." Fitar da abubuwan jin daɗi na Cardinal daga jiki a cikin bege wanda zai haifar da lafiya gabaɗaya. Idan hakan bai isa ba don warkarwa da dawo da lafiya, alamar (e, alama) ƙasan ƙafafu. Kuma George Washington ya mutu yana ƙoƙarin jin bugun bugunsa. Abin da ya haifar da duk wannan kulawar da aka yarda da ita na mutumin da Sarki George ya bayyana a matsayin "babban mutum a duniya," ya kasance ciwon makogwaro - irin nau'in kamuwa da cuta na numfashi na sama.
Zaɓi dalilinku na bacin rai na yanzu: wauta, jahilci, ko sha'awar mulki. Duk wani daga cikin waɗancan ya kamata ya hana waɗannan mutanen yin hidima a kowane irin aiki mai alaƙa ko alaƙa da lafiyar jama'a. Ya kuma kamata a yi la’akari da korar wadanda suka dora wadannan mutane a mukamai domin jawo wahalhalu ga wadanda ake zargin an dauke su aiki don kare su.
Tambayar da ba a amsa ba ita ce: yaushe ne mutumin ko mutanen da suka yanke wannan matsananciyar shawarar lafiyar jama'a za su yarda da kuskure?
Me ya sa za mu yi tsammanin hakan zai faru? Jarirai da masu fama da cutar Alzheimer ba za su iya magana da kansu ba. Ba za su iya yin korafi ba. Wasa ya kare.
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Shugaban Gidauniyar Extension Program Foundation (tushen ilimi), Shugaban kwamitin shirya taron kasa da kasa na Behavioral Optometry 2024, Shugaban Majalisar Northwest Congress of Optometry, duk a karkashin laima na Optometric Extension Program Foundation. Memba na Ƙungiyar Optometric ta Amurka da Likitocin Optometric na Washington.
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