Inguva Yemberi Mune Mangwana kune Cataract Kuvhiya?
Masayendisiti muCalifornia vari kutsvaga steroid inowanzoitika inonzi lanosterol inogona kushandiswa zuva rimwechete kuti rirape chirwere . Zvinogona kuitika zuva rimwe chete kushandisa lanosterol nenzira yesheji yeziso inodonha kuderedza kukura kwecataract. Mari yea lanosterol madonzvo ingadai yakaderera zvakanyanya kupfuura mari yekuvhiyiwa kwechipatara. Mamiriyoni emadhora anoshandiswa nevarwere, makambani einishuwarenzi uye kutarisira hurumende yehurumende kubhadhara ophthalmologists uye kubatanidza maitiro evanhu kuti vabvise chirwere chekuita chirwere.
Lanosterol madonhwe eziso anogona kunge akave akachengetedzwa, asina-invasive mamwe maitiro kune chirwere checataract kuvarwere vane maitiro akasiyana-siyana ehutachiona
Chii Chinonzi Cataract?
Chirwere chechirwere chinhu chinokanganisa kana kurasikirwa kwekusajeka mukati memwenje yemaziso eziso. Lens yevanhu inoumbwa nekristalline maprotestine. Kana uchiri muduku uye ane hutano, mapurotini aya anobata kuitira kuti ziso racho rive pachena. Dambudziko rinowedzera nokuti patinenge takura, mapuroteni aya anokanganiswa, kuwirirana pamwe nekuputsa. Kusuruvara kunobata maonero uye kunokonzera mifananidzo kuti iite sedenga, yakasvibiswa kana yakajeka yakafanana nekutarisa nepawindo. Kusuruvara ndiyo inokonzera kupofumadza pakati pevanhu vakwegura kupfuura makore 55. Kukura kwechirwere chekatarita kunoitika sechikamu chekukwegura kwekuzvarwa kwekare uye hazviwanzo kuwana kusakwana kwese kwecataract kune vanhu vakwegura.
Kusuruvara kunogona kuitika zvakanyanya kana kusati kwavapo kune vamwe vanhu. Utachiona hunogona kukonzerwa nokutora mimwe mishonga, yakadai sa prednisone steroids .
Kusuruvara kunogona kukonzerwa nemamwe marudzi ekuvhiyiwa kwemaziso, zvakadai sokuvhiyiwa kwe retinal. Utano hwakadai sechirwere cheshuga hunogona kukonzera kukanganisa kukura panguva yakareba kare. Miitiro yakadai sekusvuta inogona kukonzera utachiona hwakanyanya kupfuura kune mumwe munhu asingasvuti. Uyezve, vacheche vanogona kuberekwa nehutachiona hwekuzvarwa.
Cataract Surgery
Maharasiro anowanzotarisirwa nekuvhiyiwa kwecataract . Kuvhiyiwa kweCataract kunosanganisira kubvisa cataract uye kuisa itsva, yakajeka lens implant panzvimbo yayo. Nzira yacho inowanzoitwa pasi peanesthesia yepamunharaunda pane imwe nguva, kunze kwekutora nguva shoma pane imwe nguva. Panguva yekuvhiyiwa kwechipatara, an ophthalmologist anobvisa cataract ne ultrasound kana laser uye anowedzera mutsva weprasi inonzi intraocular lens. Kudzoka kubva pakuberekwa kwechipatara kunowanzopota kwemavhiki masere. Munguva iyi yekudzikinura, iwe uchada kudzokera kune chiremba wako chiremba kwekutevedzana kwekutevera kushanyira. Munguva yezvinyorwa zvekutsvaga, chiremba wako achaongorora maziso ako kuti zvinokonzerwa nehutachiona uye ave nechokwadi chokuti meso ako ari kurapa zvakanaka
Eyedrops yeCataract Treatment
Masayendisiti akawana cataract yecanosterol ekudzikisa kukwanisa kuburikidza nekudzidza vana vaviri vane nhaka yakagara nhaka iyo yavakagadzirisa nharaunda vachiri vaduku. Iva vana vane ruzivo rwekuchinja mutumbi umo miviri yavo yakavhara kushandiswa kwe lanosterol. Zvinofadza kuti vabereki vavo vakanga vasingachagadziri mutsauko uyu uye havana kumbokudzivirira. Nyanzvi yezvesayenzi yakafungidzira kuti lanosterol inoshanda kuti kuchengetedza bhero revanhu rive pachena nekudzikisa kuputsika uye kuvhara kwepuroteni yakawanda yakajeka mumutambo.
Musayendisiti akatanga kuedza tsananguro yavo pamasero evanhu. Zvidzidzo zvakaratidza kuti apo lanosterol yakashandiswa kumasero, lens mapuroteni akarega kubwinya uye kujekesa kwakawedzera. Zvadaro, vakadzidza marara ane chirwere. Mushure mokupa lanosterol kwemazuva matanhatu, 85 muzana yemarabhi aiva nehuwandu hwekuwedzera kwehutano hwehutachiona hwavo. Kushungurudza muzvija kwaiongororwawo. Black Labrador Retrievers, Queensland Heelers uye Miniature Pinschers, imbwa dzose dzine chirwere chinoshamisa chinowanzoitika, dzakapindura nenzira yakafanana sarabhi.
Lanosterol aikwanisa kunyanya kupedza uswa hwemahara uye kuvandudza lens pachena.
Masayendisiti anonyevera kuti kumwe kutsvakurudza kunodiwa vasati vaona madonhwe matanho akavimbika uye anogadziriswa ehutachiona hwevanhu. Zvisinei, inogona kuva chinhu chinofadza chaizvo. Nokuti chirwere chetachiona chiitiko chinogona kuitika kune isu tose, tichatonzwa zvakawanda nezve lanosterol munguva pfupi.
Shoko Rinobva
Kurapa cataract nemakumbo maziso panzvimbo pekuita chirwere checataract zvechokwadi kunogona kwenguva yemberi. Masayendisiti ari kushanda nesimba kuti aratidze kubatsira kwekushandisa lanosterol senzira isiri iyo inoparadza kune chirwere chekushaya chirwere. Kuderedza cataract kukura nemadonhwe eziso reSteroid ingakurumidza kuva kurapwa kwemakemikari akaenzana.
Mhedziso: Zhao L, Chen X, Zhu J. Lanosterol inodzokorora protein aggregation mu cataracts. Nature, 2015.