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Ukusetshenziswa Kwe-Plexiglass Ekwelashweni Kwezokwelapha

I-Plexiglass iphinde ibe nokusetshenziswa okumangalisayo kwezokwelapha, okuwukwenza ama-cornea okwenziwa.Uma i-cornea esobala yeso lomuntu imbozwe nge-opaque, ukukhanya akukwazi ukungena esweni.Lokhu ubumpumputhe obubangelwa i-total corneal leukoplakia, futhi lesi sifo asikwazi ukwelashwa ngezidakamizwa.

Ngakho-ke, ososayensi bezokwelapha bacabanga ukushintsha i-cornea ngamabala amhlophe nge-cornea yokwenziwa.I-cornea ebizwa ngokuthi i-artificial cornea iwukusebenzisa into esobala ukwenza ikholomu yesibuko enobubanzi obungamamilimitha ambalwa kuphela, bese ubhoboza imbobo encane ku-cornea yeso lomuntu, ulungise ikholomu yesibuko ku-cornea, nokukhanya. ingena esweni ngekholomu yesibuko.Iso lomuntu lingaphinde likubone ukukhanya.

Kusukela ngo-1771, udokotela wamehlo wasebenzisa ingilazi yokubona ukuze enze ikholomu yesibuko futhi afake i-cornea, kodwa ayizange iphumelele.Kamuva, ukusetshenziswa kwekristalu esikhundleni sengilazi ye-optical akuphumelelanga kuphela ngemva kwesigamu sonyaka.EMpini Yezwe Yesibili, lapho ezinye izindiza ziphahlazeka, ikhava ye-cockpit eyenziwe nge-plexiglass endizeni yaqhunyiswa, futhi amehlo omshayeli ahlanganiswe nezingcezu ze-plexiglass.Ngemva kweminyaka eminingi, nakuba lezi zingcezu zingakhishwanga, azizange zibangele ukuvuvukala noma okunye ukusabela okubi emehlweni omuntu.Lesi sigameko senzeka ukukhombisa ukuthi i-plexiglass nezicubu zomuntu zinokuhambisana okuhle.Ngesikhathi esifanayo, iphinde yaphefumulela odokotela bamehlo ukuthi benze ama-cornea okwenziwa nge-plexiglass.Inokudluliselwa kokukhanya okuhle, izici zamakhemikhali ezinzile, ayinabo ubuthi emzimbeni womuntu, kulula ukuyicubungula ibe yisimo oyifunayo, futhi ingahambisana namehlo abantu isikhathi eside.Ama-cornea okwenziwa enziwe nge-plexiglass avame ukusetshenziswa emtholampilo.


Isikhathi sokuthumela: Apr-01-2017