Engtin nge mittui hi i mit a lo chhuah? Lacrimal Apparatus chungchang hi han sawi ila!

Kan lungngaih, hlim leh a chang chuan mittui tla mai mai hun kan nei vek a ni lawm ni? Mahse, heng mittui te hi engtin nge a lo awm tak tak tih te, engvangin nge mittui kan neih a, hei hi eng mechanism mak tak nge ni tih i ngaihtuah ngai em? Chu chu kan mit venghimtu leh tituitu mittui tlak dan mak tak chu a ni a, a nih loh leh medical science-a an tih angin ``Lacrimal Apparatus`` tih hi a ni a, chu chu vawiinah hian kan sawi dawn a ni.

Tear system chu eng nge ni? Engvangin nge kan tan a pawimawh?

A awlsam zawngin, i mittui tlak dan hi i mit tan mittui siamtu leh mittui hman tawhte paih chhuaktu glands, sacs leh ducts network complex tak a ni. Heng system pahnih hi i nei a, mit pakhat tan pakhat.

I lawn chu green leh lush taka awm tir thei irrigation system angin ngaihtuah rawh. I huan tui pe thei sprinkler te, lei hnuaia pipe te, tui hlui paih chhuak thei drainage system te a awm ang bawkin he mittui tlakna system hian kan mit hrisel leh hnim hring a awm theih nan hna a thawk bawk.

He system atanga mittui lo chhuak, damdawi lam hawia `lacrimal fluid` tia hriat bawk hian kan mit chunglam a ti hnim a, a titui bawk. Anni hian hmun sensitive tak takte an humhim a, a bik takin mit dum `conjunctiva` pawn lam membrane leh mit dum `cornea` khuhtu transparent membrane te an venghim a ni. Chu mai ni lovin, heng mittui hian mit chhunga leivut, bawlhhlawh leh allergens lutte chu a silfai vek bawk. Kan hmaiah hian nerve pakhat, `Facial Nerve or Seventh Cranial Nerve` tih hian heng mittui te hi mit chhunga pump lut a, a paih chhuak thin muscle te hi a control a ni.

Engtin nge mittui hi a lo insiam a, a luang?

Mittui chhuahna hmun ber chu mittui tlakna (lacrimal glands) a ni a, chu chu i mitmeng pawn lamah a awm a ni. Hengte hi chi leh tui chawhpawlhna hmun a ni. I mit i chhing chuan he tui hi i mit zawng zawngah a darh vek a ni. Chumi hnuah chuan gland chi dang, meibomian glands atanga oily secretion te nen a pawlh a, chu chu i mitmeng kil khatah a awm a ni. Chutah chuan full tear drop chu a lo piang ta a ni.

He oily layer hi a pawimawh hle a, a chhan chu tui chu a vawt rang lutuk loh nan a titawp a ni. Tin, he hriak tlemte hi mitmeng sir lamah a awm reng a, mittui tla chu mittui tlak loh nan a veng bawk.

Chuvangin, i mit i tihfai leh i hnim hnuah, heng mittui hlui te hi i mit atang hian i paih chhuah a ngai a ni. Chu chu tear duct system hi a ni. Heng mittui te hi i hnar sir lama khur te te atang hian a kal a, i hnar hnung lamah a khawlkhawm thin. Chuvang chuan i tap tam hian i hnar a khuh a, hnar a luang chhuak thin. Mittui tam zawk chu i hnar chhungah a lut a, i rilruah a lut bawk.

Tear system-a thil pawimawh ber berte chu engte nge ni?

Tunah chuan he tear system pumpui siamtu ber berte hi han en ila.

• Mittui tla (Lacrimal Glands) te: 1.1.Hengte hi mittui siamna factory lian ber ber ang mai an ni. Heng glands te hi i mitmeng chunglam hnuai chiah, i mitmeng pawn lam kil lam hawiin an awm a. Almond te tak te ang vel an ni. Kan mittuiah tui chi (salty water) an siam chhuak thin.

• Meibomian Glands: Hengte hi i mitmeng chunglam leh hnuai lam kil khatah a awm a. Heng glands te hian i mittui siamtu oily secretion te chu an siam chhuak thin. He oil hi mittui tlakna atanga tui nen a inhmeh chuan i mit chung lamah mittui film siam turin a pui a ni. He oily layer hian i mit a ti hnim rei zawk a, i mittui chu a vawt rang lutuk lo.

• Lacrimal Puncta: Hengte hi i mit atanga mittui hman tawh chhuah chhuahna tur khur te te an ni. Heng khur (punctum - singular, puncta - plural) te hi i mitmeng chunglam leh hnuai lam kil khatah, i hnar lam hawiin a awm a. I mit i chhing apiangin heng khur te hi valve te tak te ang maiin an che a, i mit atang hian mittui hlui an la chhuak thin.

• Lacrimal Sacs: Mittui tear duct atanga lo chhuak te chu heng lacrimal sacs ah hian a awm khawm thin. Chungte chu mit chhung lam kil khatah, hnar sir lehlamah a awm a. Heng sac te hi temporary tank te tak te angin an thawk a, chu chuan mittui hlui chu tear ducts-ah a luang leh thei lo.

• Nasolacrimal Duct (Tear Ducts): Hengte hi mittui tlakna (tear ducts) kan tih tlangpui chu a ni. Mittui tlakna kawng leh mittui bawm atanga mittui tla hlui lo chhuak chu a tawpah chuan hnar sir lehlamah heng kawngkhar atang hian a luang thla thin. Heng duct te hi hnar hnung lamah a tawp thin. Kan sawi tawh ang khan hei vang hian i tap hian i hnar atangin tui a chhuak thin.

Ngaihtuah teh, heng hmun zawng zawng hi a inzawm tlat a, team anga thawk a ni a, chuvang chuan kan mit hi a hrisel leh thianghlim reng a ni. A hmun khata harsatna tenau a awm chuan system pumpui a nghawng thei a ni.

Kan mittui tlak dan (tear system) tichhe thei dinhmun tlanglawn tak takte chu engte nge ni?

A chang chuan, he mittui tlak danah hian harsatna chi hrang hrang a lo awm thei bawk. Chutiang thil a thlen huna kan tawn tlangpui thenkhat chu hetiang hi a ni:

• Dry Eyes: Hei hi mi tam tak tan chuan harsatna tlanglawn tak a ni. Mit hian mittui a chhuah tlem chuan, emaw, a mittui siam quality a tlahniam (entir nan, meibomian glands atanga oil siam chhuah zat a tlahniam chuan) mit chu a vawt thei a, a sen a, a hring thei bawk. A châng chuan, mitmengah thil awm ang maiin a lang thei hial a ni.

• Tear tam lutuk (Epiphora): Hei hi a kalh zawng a ni. Mittui chhuak tam lutuk ang maiin a lang a, a chang chuan mittui chu i hmuiah a luang chhuak thei bawk. Hei hi mittui tlak tam vang a ni thei a, a nih loh leh mittui tlak chhuahna tur kawngkhar a block vang pawh a ni thei.

• Nasolacrimal Duct tihkhawtlai theihna:Hetiang dinhmun hi nausen naupangte zingah a tam hle. Mittui kawng a inhawng kim loh avangin mit chhungah mittui a pungkhawm thei a, a chang chuan natna hrik a thlen thei bawk.

• Dacryoadenitis: Hei hi mittui tlakna (tear glands) a hring leh a hring (inflammation) a ni . Hei hi infection vang emaw, thil dang vang emaw a ni thei.

• Dacryocystitis: Hei hi mittui tlakna (lacrimal sac) a inflammation emaw infection emaw a ni. Hei hi mittui tlakna kawng (tear duct) a block vang a ni fo.

Engtin nge mittui tlak danah harsatna a awm leh awm loh i hriat theih ang?

I mittui tlak danah harsatna i nei thei tih chhinchhiahna pawimawh tlemte a awm. A pawimawh ber chu mit a vawt tih i hriat reng chuan, emaw, mittui tui (`Epiphora`) i neih chuan , i mittui tlak danah thil dik lo a awm tih hriattirna a ni thei.

Ngaihtuah teh, i Meibomian Glands te hian hna a thawk tha lo a nih chuan i mittui tlak nan oil a siam tling lo. Tichuan mittui chu i mitah a awm tha lo va, a vawt rang lutuk a, a nih loh leh i mit atangin a tla zo vek a ni. Mittui tla tam zawkah i ngai mai thei, mahse thil thleng tak tak chu i mit hian mittui a siam chhuah chu a vawng tha thei lo a ni.

Chuvangin, i mitmengah thil danglam tak i hmuh chuan – mit vawt ang chi thil tenau tak pawh ni se – a tha ber chu mit enkawltu specialist (Ophthalmologist) pan a, check out neih hi a ni. Chumi hnuah chuan eng nge dik lo tih chiang takin an hre thei a, a tul angin enkawlna an pe thei bawk.

Engtin nge kan mittui tlakna (tear system) hi a hrisel theih ang?

Kan mit ang bawkin he mittui tlak dan hi a hrisel theih nan hian kan fimkhur a ngai hle.

• Mit enfiah hunbi nei rawh: Doctor chuan i mit hmuhna chauh ni lovin, i mit hriselna zawng zawng a enfiah ang a, i mittui tlak dan pawh a enfiah ang.
• I mit hmuh danah danglamna i hmuh chuan doctor hnenah hrilh nghal rawh. Glass emaw contact lens emaw i bun chuan check reng tur a ni a, a tul chuan thlak tir thin ang che.
• Diabetes mellitus ang chi medical condition i neih chuan kum khatah vawi khat tal mit lam doctor i pan ngei ngei tur a ni, diabetes hian mit a nghawng thei a ni.
• Infiamna i khelh hunah emaw, mit tana hlauhawm thei hna i thawh hunah emaw mit venna dik tak vuah tur a ni.

Thupui tawi (Take-Home Message) 1.1.

Tunah chuan kan lacrimal apparatus hi mittui chhuahna hmun mai a ni lo va, kan mit tithianghlimtu, humhimtu leh hrisel taka awmtirtu system pawimawh tak a ni tih i hrethiam tawh mai thei. He system atanga mittui lo chhuak hian kan mit a thawk tha thei a, a hrisel reng bawk.

Chuvangin, mit a vawt emaw, mit tui ang maia i awm emaw a nih chuan, a pangngai angin ngaihthah mai mai suh la, mit doctor pan mai suh. Heng symptoms te hi thil tenawm tak tak avanga lo awm thei mahse, enkawl loh chuan i mit emaw, i mit emaw tichhe thei dinhmun chhinchhiahna a ni thei bawk. Eng pawh ni se, doctor-te chuan i mittui tlakna system balance siam ṭhat leh turin an pui thei a ni.

Chuvangin, i mit hi enkawl tha la, khawvel hmuh theihna tura puitu thil hlu ber berte an nih avangin!

` Mittui, mittui tlak dan, mittui tlakna hmanrua, mit hriselna, mit ro, mittui tlak, mit natna