- Kuyesedwa kwa PRIMAvera ndi otenga nawo gawo 38 m'malo 17 m'maiko asanu: 27 mwa 32 adabwereranso ku kuwerenga ndipo 26 adawonetsa kusintha kwachipatala.
- PRIMA System: 2x2 mm opanda zingwe photovoltaic microchip yomwe imagwiritsa ntchito kuwala kwa infrared yokhala ndi magalasi ndi purosesa kuti isangalatse retina.
- Chitetezo: Zochitika zoyipa zinali zoyembekezeredwa ndipo makamaka zidathetsedwa, popanda kuchepa kwa masomphenya omwe analipo kale.
- Science Corporation yapempha chilolezo ku Ulaya ndi U.S.; kukonza ndi kukonza mapulogalamu akukonzedwa.
Kuyesa kwachipatala padziko lonse lapansi kwawonetsa kuti a opanda zingwe retina implant pamodzi ndi magalasi Itha kubwezeretsanso luso lowerenga kwa anthu omwe ali ndi vuto lapakati pakuwona chifukwa cha geographic atrophy., mawonekedwe apamwamba a zaka zokhudzana ndi macular degeneration (AMD)Deta, yofalitsidwa mu The New England Journal of Medicine, imaloza ku kukhathamiritsa kwa magwiridwe antchito komwe mpaka posachedwapa kunkawoneka ngati kosatheka.
Zambiri kuposa theka la omwe adamaliza chaka chimodzi chotsatira Anapezanso luso lozindikira zilembo, manambala ndi mawu ndi diso lothandizidwa, ndipo ambiri adanenanso kuti amagwiritsa ntchito dongosololi m'moyo wawo watsiku ndi tsiku kuti agwire ntchito zofala monga werengani makalata kapena kapepalaSichichiritso, koma ndikudumpha kwakukulu pakudzilamulira.
Ndi vuto lanji lomwe likukambirana ndipo adatenga nawo mbali ndani?
Geographic atrophy (GA) Ndilo kusiyana kwa atrophic kwa AMD ndi chifukwa chachikulu cha khungu losasinthika mwa okalamba; imakhudza anthu oposa mamiliyoni asanu padziko lonse lapansi. Pamene ikupita patsogolo, a Masomphenya apakati amadetsedwa ndi imfa ya ma photoreceptors mu macula, pamene kuona zotumphukira nthawi zambiri kusungidwa.
Nkhani ya PRIMAvera anaphatikiza odwala 38 azaka 60 kapena kupitilira apo m'malo 17 m'maiko asanu a ku Europe (France, Germany, Italy, Netherlands ndi United Kingdom). Mwa 32 omwe adamaliza miyezi 12 yakutsata, 27 anatha kuwerenganso ndi chipangizo ndipo 26 (81%) adakwaniritsa a kusintha kwakukulu kwachipatala m'maso mwathu.
Pakati pa otenga nawo mbali, panali zochitika zodziwika bwino za kusintha: wodwala m'modzi adafikira zindikirani zilembo 59 zowonjezera (mizere 12) pa tchati cha maso, ndipo pafupifupi phindu linali pafupi 25 nyimbo (mizere isanu). Komanso, a 84% adanenedwa kuti akugwiritsa ntchito masomphenya a prosthetic kunyumba kuchita ntchito za tsiku ndi tsiku.
Phunziroli linayendetsedwa ndi José-Alain Sahel (University of Pittsburgh), Daniel Palanker (Stanford University) y Frank Holz (University of Bonn), ndi kutenga nawo mbali kwa magulu monga Moorfields Eye Hospital London ndi malo ogwirizana nawo ku France ndi Italy.
Momwe dongosolo la PRIMA limagwirira ntchito
Chipangizocho chimalowetsa ma photoreceptors owonongeka pogwiritsa ntchito a 2x2 mm, ~ 30 μm wandiweyani wa subretinal photovoltaic microchip zomwe zimasintha kuwala kukhala mphamvu zamagetsi kulimbikitsa maselo otsala a retinaIlibe batri: imayendetsedwa ndi kuwala komwe imalandira.
Setiyi ikuphatikizidwa ndi magalasi okhala ndi kamera zomwe zimajambula chithunzicho ndikuchiwonetsa kuwala kwapafupi ndi infrared pamwamba pa implant. Kuwonetseraku kumalepheretsa kusokoneza masomphenya aliwonse achilengedwe otsala ndikulola kusintha makulitsidwe ndi kusiyanitsa kuti tsatanetsatane wabwino wofunikira powerenga akhale wothandiza kwambiri.
Mu kasinthidwe kamakono, implant ili ndi a 378 pixel / electrode gulu zomwe zimapanga masomphenya a prosthetic akuda ndi oyera. Ofufuza akugwira ntchito zatsopano zokhala ndi malingaliro apamwamba ndi kukonza mapulogalamu kuti atsogolere ntchito monga kuzindikira nkhope.
Zotsatira zachipatala ndi kukonzanso
Kusanthula kukuwonetsa kuti, pogwiritsa ntchito dongosolo, otenga nawo mbali zasintha kwambiri magwiridwe antchito awo pamayeso owerengera okhazikika. Ngakhale amene anayamba ndi kulephera kwathunthu kuzindikira zilembo zazikulu mizere ingapo patsogolo pambuyo pa maphunziro.
The implantation ikuchitika kudzera opaleshoni ophthalmological kuti nthawi zambiri zimakhala zosakwana maola awiriPafupifupi mwezi umodzi chipangizocho adamulowetsa ndi gawo la kukonzanso kwakukulu, ndizofunika kwambiri kuti muphunzire kumasulira chizindikirocho ndikukhazikitsa maso anu ndi magalasi.
Mbali yoyenera ndi yakuti dongosololi silichepetsa masomphenya omwe alipo kale. Zatsopano zapakati zomwe zimaperekedwa ndi implant zimagwirizanitsa ndi masomphenya achilengedwe, zomwe zimatsegula chitseko chophatikiza zonse ziwiri ntchito za tsiku ndi tsiku.
Chitetezo, zotsatira zoyipa ndi malire apano
Mofanana ndi opaleshoni ya maso, zotsatirazi zinalembedwa: kuyembekezera zochitika zoyipa (mwachitsanzo, kuthamanga kwa magazi kwapang'onopang'ono, kutulutsa magazi pang'ono kwa subretinal, kapena kutsekeka komweko). Ambiri Idathetsedwa m'masabata Ndi chithandizo chamankhwala, adaganiziridwa kuti adathetsedwa pambuyo pa miyezi 12.
Masiku ano, masomphenya a prosthetic ndi monochrome ndi kusamvana kochepa, kotero sichingalowe m'malo mwa masomphenya a 20/20. Komabe, luso lowerenga zolemba, zizindikiro kapena mitu imayimira kusintha kowoneka kwa ufulu ndi moyo wabwino kwa anthu omwe ali ndi AG.
Kupezeka ndi masitepe otsatira
Kutengera zotsatira, wopanga, Malingaliro a kampani Science Corporation, wapempha chilolezo chowongolera ku Ulaya ndi ku United States. Magulu angapo - kuphatikiza Stanford ndi Pittsburgh - akufufuza kusintha kwatsopano hardware ndi ma algorithms kuti muwonjezere kuthwa, kukulitsa grayscale, ndi kukhathamiritsa magwiridwe antchito achilengedwe.
Kunja kwa rehearsals, chipangizo sichinapezekebe m'machitidwe azachipatalaNgati kuvomerezedwa, kukhazikitsidwa kwake kukuyembekezeka kuchitika pang'onopang'ono komanso kuyang'ana, poyambira, kwa odwala omwe ali ndi vuto la geographic atrophy omwe. kwaniritsani zosankha ndi okonzeka kuchita maphunziro ofunikira.
Zotsatira zosindikizidwa zikuwonetsa kupita patsogolo kolimba: oposa 80% odwala oyesedwa adatha kuwerenga zilembo ndi mawu pogwiritsa ntchito masomphenya opangira popanda kusiya masomphenya otumphukiraPali njira yayitali yoti ipitirire - kukonza malingaliro, chitonthozo, ndi kuzindikira nkhope - koma kudumpha patsogolo kopangidwa ndi subretinal retina implants. chizindikiro cha kusintha kwa iwo omwe adasiya kuwerenga chifukwa cha AMD.
Ndine wokonda zaukadaulo yemwe wasandutsa zokonda zake za "geek" kukhala ntchito. Ndakhala zaka zoposa 10 za moyo wanga ndikugwiritsa ntchito ukadaulo wotsogola komanso kusewera ndi mitundu yonse yamapulogalamu chifukwa cha chidwi chenicheni. Panopa ndaphunzira luso la pakompyuta komanso masewera a pakompyuta. Izi zili choncho chifukwa kwa zaka zoposa 5 ndakhala ndikulembera mawebusaiti osiyanasiyana pa teknoloji ndi masewera a pakompyuta, ndikupanga nkhani zomwe zimafuna kukupatsani zambiri zomwe mukufunikira m'chinenero chomwe chimamveka kwa aliyense.
Ngati muli ndi mafunso, chidziwitso changa chimachokera ku chilichonse chokhudzana ndi makina opangira Windows komanso Android pama foni am'manja. Ndipo kudzipereka kwanga ndi kwa inu, nthawi zonse ndimakhala wokonzeka kuthera mphindi zochepa ndikukuthandizani kuthetsa mafunso aliwonse omwe mungakhale nawo pa intaneti.