Cov retina, daim nyias nyias qhov tseem ceeb rau peb lub zeem muag, tuaj yeem tshwm sim hauv qhov xwm txheej tsis tshua muaj neeg. Qhov no yog teeb meem loj, yuav tsum kuaj pom ntxov li sai tau txhawm rau txwv qhov tshwm sim.

Lurking nyob tom qab ntawm peb lub qhov muag, cov retina yog daim nyias nyias kawm nrog cov leeg nqaij thiab txuas nrog cov hlab ntsha. Nws yog ntawm nws uas tau txais cov duab hluav taws xob ntawm lub teeb ci, ua ntej yuav kis mus rau lub hlwb. Txawm li cas los xij, daim nyias nyias no tsis muaj zog. Nws tso siab rau ob qho ntxiv los ua kom tiav qhov muag. Yog li ntawd nws tshwm sim tias cov retina yuav tawm mus, ib nrab lossis tag nrho, uas tuaj yeem ua rau a dig muag tag nrho.

Tib neeg lub qhov muag tau ua los ntawm peb txheej txheej ntawm daim nyias nyias, hu ua tunicsCov. Thawj, tus cev fibrous yog qhov peb pom tau: dawb, nws npog lub qhov muag mus txog rau lub qhov muag nyob rau hauv ntej. Qhov thib ob, nyob hauv qab no, yog cev tunic (los yog uvée). Nws tau tsim nyob rau sab xub ntiag ntawm iris, thiab tom qab ntawm txheej uas hu ua choroid. Thaum kawg, glued rau lub uveal tunic, peb pom nto npe lub paj hlwb, cov retina.

Cov retina nws tus kheej tawg ua ntau txheej. Yog li, thaum peb tham txog kev tshem tawm ntawm cov retina, nws yog qhov tseem ceeb tshaj qhov ntawm neural retina piv rauxim epithelium, nws sab nrauv phab ntsa. Lawv qhov kev sib txuas yog qhov tsis yooj yim heev, thiab kev poob siab lossis qhov txhab tuaj yeem ua rau tsim kev qhib, nyob rau hauv uas cov kua xws li vitreous tuaj yeem nkag mus, thiab ua kom cov txheej txheem tshem tawm.

Kev tshem tawm retinal cuam tshuam tsuas yog ib ntawm 10 tus neeg nyob rau nruab nrab, tab sis tuaj yeem muaj ntau yam ua rau cuam tshuam nrog tus neeg mob cov ntaub ntawv.

Myopia

Cov neeg nyob ze muaj lub qhov muag tob tshaj qhov nruab nrab, uas yog vim li cas lawv lub hauv paus ntsiab lus yog "nyob rau pem hauv ntej" ntawm cov retina. Yog li qhov tom kawg hloov mus ua thinner dua li qhov nruab nrab, thiab yog li ntawd muaj kev pheej hmoo ntau dua ntawm tev tawm los yog tearing ib hnub. Yog li cov neeg myopic muaj txhua qhov txaus siab pom lawv tus kws kho qhov muag tsis tu ncua txhawm rau txhawm rau txheeb xyuas thawj cov cim.

caj

Zoo li qhov tsis pom kev, caj ces qee zaum ua haujlwm tawm tsam peb thiab ua rau lub qhov muag deformities. Retina tawg, nyias dhau, lossis kho tsis zoo, nws tshwm sim tias qhov ua rau muaj caj ces hauv qee kis. Nws yuav yog qhov tsim nyog yuav tsum tau ceev faj kom paub tias kev ua haujlwm yuav ua haujlwm tau zoo lossis tsis yog.

Mob caj pas thiab cataracts

Cov neeg nrog glaucoma los yog tau muaj a kev ua haujlwm cataract kuj tseem yuav muaj lawv qhov retina tshem tawm. Liam nws ntawm qhov muag uas tsis muaj zog lawm,

Cov neeg ncaws pob: ntaus nrig ntaus nrig thiab ntaus nrig

Peb lub qhov muag tsis muaj zog, thiab qhov tsis muaj qhov mob thaum cuam tshuam nws ntau heev tiv thaiv peb ntawm kev paub nws. Yog li, kev tshem tawm retinal yog ntau dua hauv cov kis las uas niaj zaus siv tshuab rau lub ntsej muag. Los ntawm kev ua phem rau hauv txoj kev no, lub qhov muag txav hauv nws qhov chaw, ua rau nws tus kheej, thiab tag nrho tsis muaj zog, suav nrog cov retina.

Nws yuav yooj yim dua los kho tus mob retinal detachment yog tias nws tsis yog qhov pib, piv rau qhov ua tau zoo dua. Cov mob hnyav tshaj yuav xav tau kev phais ntau dua. Yog li ntawm no yog cov npe ntawm cov paib ceeb toom. Qee qhov tsis tas yuav yog lub cim ntawm kev tshem tawm, lwm tus yog. Hauv txhua qhov xwm txheej, nws yog qhov zoo dua los nrhiav kev qhia ntawm kws kho qhov muag sai sai yog tias tsawg kawg yog ob qho ntawm cov tsos mob no:

• Yoov floaters

Nws yog cov tsos mob tshwm sim feem ntau ntawm kev tshem tawm, thaum pom pom muaj "ya yoov", uas yog hais tias me me dub me me, ib txwm tshwm sim. Txawm li cas los xij, qhov no tsis tas yuav yog lub cim qhia tias lub retina tau tawg tawm, thiab nws yuav tsum tsis txhob meej pem nrog lub cev ya hauv vitreous, ntau lub sijhawm ib ntus.

• Dab noj nyoog

Yog tias ib lossis ntau qhov hluav taws xob pom tshwm hauv koj lub zeem muag (sab nraum lub sijhawm cua daj cua dub!), Tej zaum nws yuav yog qhov muag pom tam sim ntawd nyob hauv ib lossis ntau qhov chaw. Los ntawm kev cuam tshuam tam sim los ntawm lub paj hlwb, qhov kev xav tau los ntawm lub hlwb zoo ib yam li xob laim.

• Qhov tsaus ntuj, qhov muag tsis pom kev

Yog tias cov retina tev tawm, tom qab ntawd qee thaj chaw ntawm koj lub zeem muag yuav tsaus ntuj. Yog tias cov cheeb tsam no nyob ib puag ncig ntawm cov retina, tom qab ntawd nws yuav nyuaj dua kom pom nws sai. Yog li nws yog qhov zoo tshaj los ua qhov kev tshuaj xyuas thaum so, yog tias koj muaj lwm yam tsos mob (yoov yoov lossis xob laim), kom pom yog tias koj tsis tau pom qhov chaw tsaus. Hauv qhov xwm txheej phem tshaj, yog tias retina tau muab cais tawm ntawm nws qhov kev nkag siab tshaj plaws, macula, nws yog koj lub zeem muag nruab nrab uas ploj mus. Hauv qhov no, koj yuav tsum sab laj nrog kws kho mob chav kho mob sai sai.

• Ua kom dig muag

Nws yog cov tsos mob tshwm sim sai tshaj plaws, tab sis yog tias qhov retina detachment tsis kho sai, nws tuaj yeem tshem tawm tag nrho ntawm lub paj hlwb, thiab lub qhov muag tsuas pom tsis tau dab tsi.

Kev kho mob ntawm lub qhov muag sib cais yog qhov nyuaj, thiab nyob ntawm nws qhov hnyav.

Laser phais

Rau kev tshem tawm me me, kev phais laser tuaj yeem txuas rau qhov retina thiab ua rau thaj tsam tearing.

Vitrectomie

Rau qhov mob hnyav tshaj plaws, tus kws kho mob yuav tsum muaj peev xwm kho tus retina ntawm tus kheej. Txhawm rau nkag mus rau sab nraum qab ntawm lub qhov muag, tus kws kho mob yuav yog li yuav tsum tshem tawm cov kua dej, kua gelatinous hauv lub qhov muag. Txhawm rau ua qhov no, nws txhawm rau qhib qhov muag ntawm ob sab ntawm lub qhov muag, nqus hauv cov vitreous, thiab tom qab ntawd tuaj yeem rov ua dua tus kheej retina. Lub cev vitreous yog tom qab ntawd hloov nrog gel lossis roj silicone.

Strapping

Txoj hlua khi muaj ib puag ncig lub qhov muag, txhawm rau nias ntawm ob sab kom rov qhib lub qhov muag, yog tias nws tseem tsis tau raug cais tawm.

Cryo-indentation

Kev siv roj cua txias heev rau lub qhov muag tuaj yeem ua rau muaj qhov caws pliav ntawm qhov muag nyob hauv thaj chaw uas tev tawm lossis los kua muag. Cov txheej txheem no zam kev nkag mus rau lub qhov muag tab sis tshwj tseg rau lub teeb pom kev tawm. Qee lub sij hawm, txawm li cas los xij, nws yuav tsum tsim kom muaj kev sib txuas hauv lub qhov muag txhawm rau txhawm rau kho qhov muag kom zoo thaum nws kho nws tus kheej.