Mit chhunga choroid hi eng nge ni? A dik chiahin i chhui chhuak ang u!

Kan mit hian mak tak maiin hna a thawk tih i ngaihtuah ngai em? Mit hi taksa peng hrang hrang buaithlak tak leh hlu tak a ni. Chuvangin vawiin hian mit chhunga thil hriat tlemte, mahse pawimawh tak tak kan sawi dawn a ni. Chu chu choroid a ni. He hming hi i la hre ngai lo mai thei. Mahse chu chu a pawi lo, vawiinah hian awlsam takin, i hriatthiam theih dan tur angin kan sawi dawn a ni.

Choroid chu eng nge ni? Mit tan eng rawngbawlna nge a pek?

A awlsam zawngin sawi ila, choroid hi i mitmeng lai tak, i mitmeng pawn lam bang a ni. Uvea ta a ni. A dik tak chuan choroid hi kan mit supply tu thisen kalna kawng lian ber pakhat a ni. Mit chhunga êng lut zat pawh a control thei bawk. Chuvangin, khawvel kan hmuh danah hian choroid hi a pawimawh hle.

Choroid hian hna pawimawh pahnih a nei a, chungte chu:

1. Mit tan thisen mamawh supply.

2. Mit chhunga êng lut chu absorption.

Tunah chuan heng pahnih chungchang hi chipchiar deuhin han sawi ila .

1. Mit a thisen pek

Hei hi choroid hnathawh ber a ni. A bik takin, hei hian kan mit chhunga retina leh optic nerve-ah thisen a pe a ni. Ngaihtuah teh, he retina leh optic nerve hian thluak lamah signal a thawn reng a ni. Machine pahnih non-stop-a hnathawk ang mai a ni. Chuvangin, heng hmun pahnih hian mit tissue dangte aiin thisen leh ei tur tha tam zawk an mamawh a ni. Choroid hian thisen kalna kawng tam tak a nei a, tangle ang mai a ni. Hei vang hian thisen mamawh zat chiah a pe thei a ni.

2. Eng hip luh dan

Choroid hnathawh pawimawh dang chu light hip hi a ni. Hei hi thil langsar tak a ni lo va, mahse a pawimawh em em a ni.

Kan mit chhunga tissue dang zawng zawng aiin choroid hian melanin an tih pigment a pai tam zawk tih i hria em? He melanin tho hi kan vunah pawh a awm bawk. He melanin hian ni atanga ultraviolet rays tha lo tak tak a hip lut a, vun cancer ang chi thil lakah kan vun a venghim thin. Melanin hian ultraviolet rays chauh ni lovin, hmuh theih êng zawng zawng deuhthaw chu a hip lut thei a ni.

Mit chhunga melanin hian acoustic foam angin hna a thawk a, chu chu sound hip nan hman a ni. Recording studio bang-ah hian hetiang foam hi i hmu tawh mai thei. A aw chu a rawn bounce leh echo loh nan a titawp a ni. Chutiang bawkin mit chhunga melanin hian mit chhunga êng darh tur chu a titawp a ni. Hei hian kan mit (retina) chhunga photoreceptor cell te chu a tul lo taka êngin a tihchhiat loh nan a veng a ni. Hei hi mitthla fiah tur chuan a pawimawh hle.

Khawiah nge choroid hi a awm? Engtin nge a lan?

Choroid hi kan mitmeng hmun thuma ṭhena hmun hnih hnung lamah a awm a. A dik tak chuan mit pawn lam bang dum (sclera kan tih) hnuaiah leh mit hnung lama light-detecting layer retina chungah a awm a ni. Choroid thickness hi 0.1 millimeters (mm) atanga 0.22 mm vel thleng a ni thei. Chu chu printer paper pangngai ang vela thuk tihna a ni.

Choroid hmel erawh chu thisen kalna hmun khat a ni . Tin, a chhunga melanin awm vangin a rawng a dum bawk . Mak tak mai chu kan vun ang bawkin choroid hian birthmark emaw normal spot emaw (nevi an tih) a nei thei a ni. Hengte hi pawn lam atanga kan hmuh theih loh. Mi tam zawk chuan mit lam doctor-in an mit a enfiah hian an nei tih an hre thei chauh a ni.

Eng dinhmun nge choroid hi a nghawng thei?

Vanduaithlak takin choroid tichhe thei natna chi hrang hrang a awm a. Hei hi thil chi hrang hrang, circulatory system natna atanga inflammatory disease thlengin a awm thei. Entirna tlemte chu hetiang hi a ni:

• Albinism : Melanin pigment tlakchhamna hian mit lamah harsatna a thlen thei a, light laka a sensitivity a thlen thei bawk.
• Congenital (pian tirh atanga piang) conditions : Entirnan, natna chi hrang hrang choroideremia te hian mit (retina) a tichhe thei a.
• Zunthlum kaihhnawih mit natna (retinopathy) .
• Choroidal neovascularization leh macular degeneration (a bik takin a wet form) te a awm thin.
• Mit cancer : a bik takin mit chhunga melanoma.
• Eye ischemia : Hei hi mit lama thisen kal tlem a ni. Entirnan, mitmeng (eye stroke) a awm.
• Glaucoma hian mit nerve leh retina a tichhia a ni .
• Mit hliam a awm .
• Inflammatory diseases : Uveitis emaw chorioretinitis emaw ang chi natna.

Choroid-ah hian harsatna a awm chuan eng symptoms nge a awm theih?

Choroid nena inzawm condition i neih chuan symptom thenkhat i nei thei. Chung zingah chuan:

• Mit hmuhna hmun dum (Scotomas) emaw, mit hmuhna lama chhiatna emaw.
• Mit hmuh a fiah lo .
• Mit pahnih hmuh theihna (Diplopia).
• Mit na a na.
• Lu na.
• Eng laka hriatna (mit dum) (Photophobia) .
• Mit hmuhna a hniam.

Heng symptoms te hi i neih chuan doctor pan nghal rawh!

A natna khirh zawk emaw hmanhmawhthlak zawk emaw tilangtu symptom thenkhat a awm . Chutiang hunah chuan damdawi lam thurawn lak vat a pawimawh hle.

Hengte hi a symptoms ngaihven vat ngai te chu an ni:

* Mit na/pressure nena luak chhuak leh luak chhuak.

* Eng chhehvela rainbow rawng ring hmuh.

* Engti kawng pawhin mit hmuhna hloh nghal .

* Mit hmaa êng rawn chhuak nghal (Photopsias).

Hetiang thil i hriat chuan doctor pan hmasa phawt ang che .

Choroid-a harsatna awmte hriat theih nan eng test nge awm?

Mit enfiahna pangngaia i kal hian mit lam doctor chuan retina layer te tak te hmangin choroid inthlak danglamna a hmu thei a, a nih loh leh retina ngeia inthlak danglamna hmangin choroid dinhmun a hrethiam thei bawk. Hei bakah hian choroid enfiahna leh a kaihhnawih natna hriatchhuahna atana pui thei tur special test engemaw zat a awm bawk. Anni chu:

• Visual acuity test : Hei hi engtiang chiahin nge chiang taka i hmuh theih tih hriat nan test a ni.
• Visual field leh depth perception test te a ni.
• Slit lamp exam : Microscope bik hmanga mit enfiah.

Choroid leh retina inkara circulatory connection a awm avangin retina enfiahna test thenkhat pawh hian choroid dinhmun hriat theih nan a pui thei bawk. Entir nan:

• Fluorescein angiography hmanga enfiah a ni
• Indocyanine green angiography hmanga enfiah a ni
• Optical Coherence Tomography (OCT) hmanga enfiah a ni.

Heng test te hian i doctor chuan i mit dinhmun a hrethiam zawk thei a ni.

Choroid tichhe thei natna enkawl dan tur engte nge ni?

A tam zawkah chuan choroid direct-a nghawng thei enkawlna a tlem hle. Chu ai chuan, choroid tichhe thei dinhmun hnuaia awm chu enkawl a ni . Chuvangin, enkawl dan hi a dinhmun a zirin a inang lo thei hle. Entirna tlemte chu hetiang hi a ni:

• Albinism enkawl dan : Albinism hi genetic disease a nih avangin direct-a enkawl theih a ni lo. Enkawlna hian a natna lanchhuahna tihziaawmna tur a tum a ni.
• Anti-glaucoma damdawi : Hengte hian mit hmalam pressure a tihziaawm bakah choroid leh a chhehvela thil awmte a tichhia thei lo.
• Anti-inflammatory drugs : Heng damdawi te hian inflammation a tiziaawm. Systemically emaw, mit tan bik emaw pek theih an ni.
• Anti-vascular endothelial growth factor (VEGF) damdawi : Heng anti-VEGF damdawi te hian thisen kalna kawng thar siam a veng a.
• Cancer enkawl dan tur: Cancer chi dang ang bawkin mit cancer hi enkawlna, chemotherapy, leh radiation therapy te a ngai thei.
• Thisen kal dan tur puitu/tiam thattu damdawi : Hei hian thil tam tak a huam a, thisen tithianghlimtu (anticoagulants) leh thisen sang control thei damdawi te.
• Mit surgery : Choroid tichhe thei dinhmun thenkhatah chuan siamthat nan operation neih a ngai thin.

I dinhmun bulpui a zirin enkawlna dang pawh rawt theih a ni. I mit lam doctor emaw, healthcare provider dang emaw chuan heng enkawlna chungchang hi a hrilh belh thei che a, i tana tha ber tur thlang turin a pui thei bawk che a ni.

Kan choroid hrisel taka awm theih nan eng nge kan tih theih ang?

I mit hriselna atana thil engemaw zat tih theih a awm a, chung zingah chuan i choroid hriselna pawh a tel. Chung zinga pawimawh ber chu mit enfiah fo hi a ni . Hei hi mi zawng zawng tan a ni a, glasses vuah te tan chauh a ni lo.

Tin, thil dang i tih theihte chu:

• Mit venna vuah tur . Hna eng pawh i thawh dawnin, chu hna atana siam bik safety glass emaw, goggles emaw ha la. Hei hi leivut emaw chemical emaw hmanga hnathawh hunah a pawimawh hle.
• Nicotine hman loh tur . Meizial zu te, vaping te, zuk leh hmuam chewing te hian i circulatory system a nghawng vek a, chu chuan i mit a tichhe thei bawk.
• Chronic conditions enkawl . I mit leh/ emaw circulatory system tichhe thei dinhmun, zunthlum emaw thisen sang emaw i neih chuan, chu dinhmun chu uluk taka enkawl chuan i mit chhiatna dang a veng thei a, a tikhawtlai thei bawk.
• I hriselna zawng zawng hi enkawl rawh . Mit hriselna tha ber neih theihna turin taksa rihna hrisel neih leh ei leh in tha neih hi a pawimawh vek a ni.

A tawp berah chuan thil hriat reng tur

Okay, chuvangin tunah chuan vawiin a kan sawi tawh choroid kha in hriatthiam ka beisei.

I retina hian êng a hmuchhuak a, chu chu i thluaka thawn chhuah, hmuh theih signal-ah a chantir tih hre reng ang che. Chutianga tih theih nan chuan retina hian thisen supply mumal tak, lian tak a mamawh a ni. Chuvangin, i choroid hi i retina leh optic nerve-a thisen supply ber a ni. Choroid hian i mit chhunga êng lut chu a enkawl thei bawk. Hei hian retina tan chu light chu uluk taka process a awlsam phah a ni.

Choroid hi mit peng dang angin hriat lar a ni lo mai thei. Mahse kan vision atana thil pawimawh tak leh pawimawh tak a ni . I nitin nunah hian i choroid hriselna - leh i mit pum pui enkawl nan thil tam tak i tih theih a awm. Chuvangin, i mit enkawl dan tur ngaihtuah a tha a ni lawm ni?

`Choroid, mit hriselna, retina, mit nerve, melanin, mit natna, mit test te