News

Iyi nyaya ndeye 200th yeUday Devgan, MD's "Back to Basics" chikamu cheEye Surgery News.Makoramu aya ave achirayira vanovhiya uye vane ruzivo rwakafanana mune zvose zvekuvhiyiwa kwecataract uye vanopa rubatsiro rwakakosha kumuitiro wekuvhiya.Ndinoda. kutenda nekukorokotedza Uday nemupiro wake mukudhindwa uye kubatsira kwake mukunatsa hunyanzvi hwekuvhiyiwa kwecataract.
Mukupera kwa2005, ndakatanga iyi "kudzokera kune yekutanga" koramu nekubatana nevapepeti veHealio/Ocular Surgery News, ndichiongorora zvakakosha zvecataract uye refractive kuvhiyiwa.
Iye zvino, anenge makore 17 gare gare, uye panhamba 200 mumagazini yedu yemwedzi, kuvhiyiwa kweziso kwakachinja zvikuru, kunyanya refractive cataract surgery.Iyo chete inogara ichiita seyakagadzika mukuvhiyiwa kwemaziso ndeyekuchinja, sezvo maitiro edu uye maitiro edu anoramba achichinja. makore ose.
Phaco machines yakaita nhanho huru mujet uye ultrasonic energy delivery.Nzira dzakapfuura dzaive incisions 3 mm yakafara kana yakakura, vachishandisa giravhiti infusion uye shoma ultrasound simba modulation.Michina yemazuva ano inopa kumanikidzirwa infusions, kushingaira kumanikidziro kutarisa, uye advanced power modulation kuti iwedzere kugadzikana. anterior chambers.Makore gumi apfuura, takapinda mu-dual-hand phaco kuti tiparadzanise infusion kubva kune tsono ye phaco, iyo yakashandiswa pasina silicone cannula.Kunyange zvazvo izvi zvakabvumira kushandiswa kwekucheka kweviri, imwe neimwe isingasviki 2mm yakafara, yakanga isiri yakawanda. yakagamuchirwa muUnited States.Iye zvino tinodzokera kune coaxial ultrasonography, kunyange nekadiki kadiki, pakati pe2mm range.Magadzirirwo edu e ultrasound zvino anopa kuchengetedzeka kusati kwamboitika uye kwakarurama kwekuvhiyiwa kwecataract.
Paive nemultifocal IOLs mwedzi 200 yapfuura, asi magadzirirwo awo aitove cruder kupfuura zvatinazvo nhasi.Newer trifocal and bifocal diffractive IOL designs inopa huwandu hwakawanda hwekuona kwakanaka pasina magirazi.Kare, toric IOLs ainyanya kugadzirwa nesilicone sheet haptics. , iyo yakanga isina kugadzikana kwehydrophobic acrylic IOLs yatinoshandisa nhasi.Tinopawo toric IOLs mumadhigirii akasiyana-siyana uye mune zvakasiyana-siyana zvakasiyana-siyana zveIOL designs.Takasvika pakugumisa kuti zviduku hazvisi nani nguva dzose, uye isu' d pane kuva neIOL hombe inoda 2.5mm cutout pane modhi diki inoda kupinda nepakachekwa 1.5mm.Malenzi akawedzerwa akareba anoramba achishanduka, uye magadzirirwo matsva ekugadzirisa maIOL ari mupombi (Mufananidzo 1). ramangwana, kugadzirisa intraocular lenses ichakwanisa kudzoreredza kuona kwechokwadi kwepwere kuvarwere vedu.
Kushandisa kwedu intraocular lenses kwakanyatso kuvandudza refractive accuracy, iyo yakaunza refractive cataract kuvhiyiwa kumberi.Zviri nani biometrics, zvose muaxial urefu zviyero uye corneal refraction zviyero, zvakagadziridza zvikuru refractive accuracy uye vari kufambira mberi nekugadzirisa zviri nani.Isu tava ikozvino. pane imwe nguva iyo iyo pfungwa yeimwe static formula ichakurumidza kutsiviwa neane simba uye arikubuda nzira dzekuverenga pfuti uchishandisa hunyanzvi uye hungwaru hwekugadzira.Neramangwana rekuzvigadzirisa reziso biometer, varwere vanogona kutora zviyero pamushini mumwechete pamberi uye mushure. kuvhiyiwa kwecataract kuunganidza data yekuenderera mberi nekuvandudza mune refractive mhedzisiro.
Maitiro edu ekuvhiya akasvika kure mumwedzi yapfuura ye200. Kunyange zvazvo nheyo dzekuvhiyiwa kwe intraocular dzichiripo, takavaka pamusoro payo kuti tive nemigumisiro yakanaka kune varwere vedu.Vavhiyi vese vanofanira kutarisa teknolojia yavo yemazuva ano uye vanobvuma kuti nzira yavanoita nayo. kushanda nhasi zviri nani pane zvazvaive makore gumi apfuura.Femtosecond lasers, intraoperative aberrometers, digital surgical guidance systems, uye head-up 3D displays zvava kuwanikwa mumakamuri edu ekuvhiya.Kushandiswa kweanterior chamber IOLs kuri kuderera nenzira dzakasiyana siyana dzekuchengetedza. The IOL to the sclera.In subspecialties, zvikamu zvitsva zvekuvhiya zvakagadziridzwa, zvakadai sekuvhiyiwa kweglaucoma zvishoma uye lamellar keratoplasty.Kunyange intraocular lens extractions, inowanzo shandiswa kune densest cataracts, yakashanduka kubva kune yakajairwa extracapsular extractions (inoda akawanda sutures vhara chigero chakaitwa nechigero) kuti unyore diki incision incision yekuvhiya nzira, iyo Inosanganisira shelvin.g kucheka kwekuvhara zvirinani munguva shoma, uye sutures, kana iripo.
Ndichiri kuda kugamuchira yakadhindwa vhezheni yeHealio/Ocular Surgery News padhesiki rangu kaviri pamwedzi, asi ndinozviwana ndava kuverenga maemail eHealio kanenge zuva rega rega uye kazhinji ndichitsvaga pamhepo shanduro dzezvinyorwa zvandinofarira.Kufambira mberi kukuru mukudzidza kwekuvhiya kunofanira iva kushandiswa kwakapararira kwevhidhiyo, iyo yatinogona kunakidzwa nayo pamafoni edu uye mahwendefa mu-high-definition.Panyaya iyi, makore mana apfuura ndakagadzira nzvimbo yekudzidzisa yekusununguka inonzi CataractCoach.com inobudisa vhidhiyo itsva, yakarongwa, yakarondedzerwa zuva rega rega. (Mufananidzo 2) .Nezvekunyora uku, kune mavhidhiyo e1,500 anofukidza misoro yose mukuvhiyiwa kwecataract.Dai ndaigona kuchengeta mwedzi ye200, iyo inenge inenge mavhidhiyo e6,000. Ndinogona kungofungidzira kuti ramangwana rekuvhiyiwa kwecataract richave rinoshamisa sei.