I mit hmuh chu a thim nghal vek em? Hei hi i mit chhunga vein block (Retinal Vein Occlusion - RVO) vang a ni thei.

Mit pakhata i mit hmuh chu a hlim lo deuh tih i hmu nghal em? A nih loh leh i mit hmaah thil dum te te a lo inhnim pil ang maiin i hria em? Hetiang thil a thlen hian hlauhna tlem a awm hi thil pangngai a ni. A tam zawkah chuan hei hi i mit chhunga thisen kalna kawng te tak te a inkhar vang a ni thei. Damdawi lam hawi chuan hei hi Retinal Vein Occlusion, a tawi zawngin RVO kan ti thin. Hemi chungchang hi vawiinah hian a awlsam zawngin sawi ila.

A awlsam zawngin, retinal vein occlusion (RVO) chu eng nge ni?

I mit kha camera angin ngaihtuah rawh. Mit hmun retina an tih hi camera hnung lama film awm ang mai a ni. Hei hi kan thil hmuh atanga êng lo chhuak chu lem-ah a chantirna hmun a ni. Chuvangin, he retina hian hna a thawh that theih nan thisen supply tha tak a mamawh a ni. Chu chu thisen rawn kengtu artery leh thisen hman tawh phur kir lehtu vein a awm tihna a ni.

Tunah chuan eng emaw chhan vangin chu thisen chu phur kir lehtu vein, vein pakhat chu tlem a inkhar emaw, a inkhar emaw tih han ngaihtuah teh. Tui pipe a block hunah thisen a luang chhuak thei lo ang bawkin. Tichuan, thisen chu a back up a, chu chuan retina chhunga pressure a ti sang a, a ti hring chhuak ta a ni. Hei hi Retinal Vein Occlusion (RVO) kan tih chu a ni. Hei hi enkawl vat ngai a ni a, a nih loh leh mitdelna a thlen thei a ni.

RVO hi chi hnih lian tak a awm a.

He blockage hi khawiah nge a awm tih a zirin RVO hi chi hnih ah kan then a.

RVO dinhmunah eng symptom nge i neih theih ang?

RVO symptoms hian mit pakhat chauh a nghawng tlangpui. An intan nghal thei a, darkar emaw, ni engemaw zat emaw chhungin an lo thang zauh zauh thei bawk.

• Blurred vision or loss of vision: Hei hi a lan chhuah dan ber leh langsar ber a ni.
• Floaters: Mit hmaa dot dum emaw line emaw a lo inphah lai hmuh .
• Mit chhunga natna emaw, pressure emaw hriatna: Hei hi a na zawkah hmuh tur a awm.

Engvangin nge hetiang hian mit chhungah hian vein a inkhung?

Hei hi a chhan pakhat chiah hriat a harsa tak zet a, mahse thil pawimawh tak tak eng emaw zat a awm.

A awlsam zawngin, retina-a artery leh vein pakhat inzawmkhawmna hmun a awm. Kan tar chhoh zel emaw, cholesterol ang chi thil a lo pun zel avangin emaw, artery wall te chu a thim deuh a, a khauh deuh bawk. Hei hi atherosclerosis kan ti a . Hetiang artery thickened hian a hnuaia vein nalh tak chu a press tan ta a ni. Tui pipe chu a chungah thil rit tak dah a nih chuan a tikehsawm ang mai a ni. He pressure hian vein chhunga thisen kal chu a tikhawlo thei a, thisen zam (blood clot) a lo awm thei a, vein chu a titawp vek thei bawk.

Hei bakah hian damdawi lam dinhmun thenkhatah pawh RVO vei theihna a tipung bawk.

RVO vei theihna tipungtu thil

Enkawl loh chuan eng harsatna nge thleng thei?

RVO hi enkawl vat a nih loh chuan mit a tichhe nasa thei hle.

• Cystoid Macular Edema: Macula hi retina-a central part pawimawh ber a ni a, chu chuan mit chiang leh fiah tak min pe a ni. Thisen kalna kawng a inkhar chuan tuiin a khat thei a, a hring thei bawk. Hei hian mitdelna nasa tak a thlen thei a ni.
• Neovascularization: Mit chhunga thisen kal dan a chhiat chuan , taksa chuan thisen kalna kawng thar siamin a tlakchhamna chu siamrem tumin a bei thin. Mahse, heng bungraw tharte hi an chak lo hle a, bang te tak te an nei bawk. Chungte chu awlsam takin a puak thei a, mit chhungah thisen a chhuak thei (vitreous hemorrhage).
• Mit chhunga pressure sang (Neovascular Glaucoma): Heng thisen kalna kawng thar, chak lo tak takte hian mit chhunga tui luang chhuak control tu hmunte chu a tikhawlo a ni. Hei hian mit chhungah pressure sang tak hlauhawm tak a siam thei a, mit nerve a tichhe thei a, mit hmuhna a hloh vek thei bawk.
• Retinal Detachment: Hei hi emergency a ni. Thisen kalna tharte hipna avang hian mit bang atang hian retina hi a inthen thei a ni.

Engtin nge doctor hian hei hi a hriatchhuah a, a enkawl?

Heng symptoms te hi i neih chuan a rang thei ang bera mit enkawltu specialist i pan tur a ni. I mit chu uluk takin a enfiah ang.

Diagnosis tih a ni

Doctor chuan i mit chhungah drop a dah ang a, chu chuan mit chu a tizau ang a, i mit chhung chu microscope bik hmangin a enfiah ang. Tin, a hnuaia test te hi tih theih a ni bawk:

• Optical Coherence Tomography (OCT) scan: Hei hian retina thickness a teh thei a, macula a hring em tih dik takin a hriat theih bawk.
• Fluorescein Angiography: I kut vein pakhatah dye bik inject a, i mit chhunga thisen kalna kawng a kal lai thlalak lak a ni. Hei hian vein chu khawiah nge a block tih leh engzat nge chhiatna a thlen tih a tarlang thei a ni.

Enkawl dan tur

Tun thleng hian vein blocked hawn leh theihna tur kawng him a la awm lo. Mahse, a blockage avanga chhiatna leh harsatna awmte control turin enkawlna tha tak tak a awm nual . Heng enkawlnate thil tum ber chu:

• I mit hmuhna siam \hat emaw, a chhe zual loh nan khap emaw rawh.
• Harsatna lo awm tawhte enkawlna.
• RVO thlentu risk factors (thisen sang leh zunthlum ang chi) control.

Enkawl dan tlangpui thenkhat chu hetiang hi a ni:

1. Anti-VEGF Injection: Hei hi first-line treatment hman lar ber a ni. Mit chhunga thisen kalna kawng thar, chak lo tak tak siam chhuaktu chemical (VEGF) a awm a. He injection hian chu chemical chu block-in hna a thawk a ni. Injection hi mittui tlakna (eye drops) hmanga mit tihthianghlim hnuah pek thin a ni. I dinhmun azirin heng injection te hi thla tin emaw, a hun takah emaw i lak a ngai mai thei.

2. Steroid Injection: Heng injection te hi swelling tihziaawmna atan pawh hman a ni. Mahse, mi thenkhatah mit pressure an tisang thei a, chuvangin anti-VEGF injection-in a puih loh chuan second option atan chauh pek an ni.

3. Laser hmanga enkawlna (Panretinal Photocoagulation - PRP): He laser hmanga enkawlna hi duh loh zawng, thisen kalna kawng chak lo siam chhuah tihtawp nan hman a ni.

4. Vitrectomy Surgery: Mit chhunga thisen chhuak tam tak a awm chuan he surgery hi mit chhunga thisen khat jelly ang chi chu lakchhuah leh tihfai nan tih a ni.

Nakin hun leh kan tih theih turte chungchang

RVO enkawl dan tur i mit hmuh dan tur chu thil engemaw zatah a innghat a ni. Mi thenkhat chuan permanent vision loss an nei a, thenkhat erawh chuan enkawlna an neih chuan hun kal zelah an mit a lo tha chho zauh zauh tih an hmu thung. I mit doctor hian i dinhmun a sawifiah thei ber ang.

Hetiang dinhmun venna atana kan tih theih tha ber chu risk factors control hi a ni.

• Thinlung leh thisen kalna kawngte tana tha tur ei leh in zawm tur a ni.
• Nitin exercise la.
• I taksa rihna hrisel tak vawng reng rawh.
• Meizial zuk loh vek tur a ni.

Hetiang dinhmun hi i neih chuan injection i lak fo a ngai a, clinic-ah i kal fo a ngai a, chuvangin i chau a, i stress thei bawk. Chumi chungchangah chuan zak suh. Chumi chungchang chu i doctor nen sawiho rawh. I mamawh tur support a pe ang che.