Darthlalangah i mit i en ngai em? Mit rawng (iris kan ti) lai takah chuan black circle chu i hmu thei. Chu chu zirlai kan tih chu a ni. A lian leh te hi a chang chuan a inthlak danglam thin. Mahse a châng chuan he mitmeng hi eng ang pawhin êng danglam mah se a te reng a nih chuan hriselna lama harsatna a awm tih chhinchhiahna a ni thei. Chu chu damdawi lam chuan Miosis kan tih chu a ni.
A awlsam zawngin, Miosis chu eng nge ni?
Miosis chu mit mitmeng chu a tlangpui aia te, rulhut ang maia a lo awm hian a ni. Mitmeng lian leh te hi kan mit rawng nei, iris-a taksa ruh (muscles) te hian a thunun a ni.
Ni êng êng takah i luh chuan i mit i chhing ang bawkin, kan mitmeng pawh êng êng takah chuan an te zawk ṭhin. Tin, hmun thim takah chuan mitmeng te chu an lian (dilate) a, an hmu tha zawk thin. Hei hi thil kalphung pangngai a ni. Mahse , miosis vei mi pakhatah chuan eng ang pawhin êng danglam mah se, mitmeng chu a te deuh reng a ni . Mi thenkhat chuan ‘pinpoint pupils’ an ti a, a chhan chu needle tip ang chiah chiah an nih vang a ni.
Hetiang dinhmun hi mit pakhat chauh (unilateral) emaw, mit pahnih (bilateral)-ah emaw a awm thei.
Miosis leh Mydriasis Inthlauhna
Heng pahnih hi dinhmun inthlau tak an ni. Miosis chu iris a zim hian a ni. Mydriasis hi iris a lian lo (dilated) a nih chuan a ni.
Miosis awm chhan berte chu engte nge ni?
Mitmeng a te theih chhan hi chhan hrang hrang a awm thei. Ṭhenkhat chu a awm fo laiin, ṭhenkhat erawh chu a pawi zawk thei.
| Chhan | Nghawng |
|---|---|
| Damdawi thenkhat (e.g., opioids) . | A tlangpuiin mit pahnih a nghawng thin . |
| Horner-a natna (Syndrome) a ni | Hmai sir khat chauh a nghawng a ni. |
| Poisoning a awm | Mit pahnih a nghawng fo thin . |
| Mit natna (Uveitis/Iritis) . | It usually affects one eye , mahse a chang chuan a pahnih hian a nghawng thei bawk. |
| Pontine Stroke a ni | Mit pahnih a nghawng a ni. |
| Cluster Lu natna | A sir khat chauh a nghawng . |
1. Damdawi thenkhat
Damdawi thenkhat, a bik takin opioid, natna nasa tak atana hman te hian mit pahnihah iris a ti te zawk thei a ni. Glaucoma natna atana hman thin eye drop thenkhat, pilocarpine te pawhin hetiang hi a thlen thei bawk.
2. Horner-a natna (Syndrome) a ni
Hei hi kan thluak atanga mit leh hmai thlenga kal sympathetic nerve tihbuai avanga lo awm a ni. Hetiang dinhmunah hian mitmeng tla leh mitmeng tlak ang chi symptoms chu hmai sir khatah chauh hmuh theih a ni.
3. Poisoning (Poisoning) a awm
Hetiang dinhmun hi pesticide thenkhat, a bik takin organophosphates ei avanga lo awm thei a ni. Damdawi dang, benzodiazepines te ei tam lutuk vang pawh a ni thei.
Chutiang thila rinhlelhna tlemte pawh a awm chuan damlo chu damdawi in hnai ber Emergency Treatment Unit (ETU)-ah hruai nghal tur a ni. Tin, Colombo National Hospital-a National Poisons Information Center- ah pawh thurawn dang dil turin biak a pawimawh hle bawk.
4. Mit natna
Mit chhunga inflammation, sen leh natna thlentu hian iris dysfunction a thlen thei bawk. Uveitis leh iritis hi chutiang natna pahnih a ni.
5. Thluak emaw Mit Hliam emaw
Hei hi thil pakhatin mit a rawn deng a, hliam a thlen hian emaw, thluak hmun thenkhat, a bik takin thluak zung (brainstem)-a stroke (Pontine stroke) avanga thleng pawh a ni thei bawk.
6. Chhan dang
Chu bakah, miosis hi Argyll Robertson pupils, enkawl loh syphilis hnuhnung ber, leh cluster headaches ang chi condition-ah pawh hmuh theih a ni.
Cataract surgery neih laia Miosis lo awm thin chungchang pawh i zir dawn nia.
Cataract surgery neih lai hian operation awlsam zawk nan iris hi dilated a ngai a ni. Mahse, a chang chuan operation laiin iris hi a inzawm nghal thei a ni. Hei hi intraoperative miosis an ti a. Damdawi thenkhat, thisen sang emaw, prostate tihpunna atana alpha-1 antagonists te hi a hlauhawmna a sang hle. Chuvangin, eng surgery pawh i neih hmain i damdawi ei tur zawng zawng hi doctor hnenah hrilh hmasa phawt a pawimawh.
Hei hi eng enkawlna nge ni?
Miosis hi natna lanchhuahna a ni a, natna a ni lo va, chuvangin enkawlna chu a chhan bulpui (underlying condition) lam hawia enkawl a ni.
- Damdawi pakhat vang a nih chuan: I doctor chuan damdawi chu tihtawp leh thlak loh tur a rel ang.
- Mit natna a nih chuan: anti-inflammatory drugs emaw anti-infectives emaw pek i ni ang.
- Horner’s syndrome: Tumor ang chi thil avanga lo awm a nih chuan zai a ngai mai thei.
- Stroke a awm chuan: Damdawi inah emergency treatment pek tur a ni.
Miosis hi ven theih a ni em?
Thil engemaw avanga miosis lo awm chu kan veng thei a ni.
- Ruihhlo laka inthiarfihlim: Ruihhlo, a bik takin opioid hman loh vek.
- Invenna hmanrua bun: Infiamna kan khelh emaw, hna hlauhawm kan thawh lai emaw hian mit venna mumal tak, goggles ang chi bun a pawimawh hle.
- Doctor hnenah dik taka hriattir: Damdawi i ei zawng zawng chu i doctor hnenah hriattir fo thin ang che.
Hetianga i mit rawng inthlak danglamna hi, a bik takin a lo thleng thut emaw, a lan chhuah dan dang (hmai sir khata natna, lu na tak, mit sen ang chi) nena inzawm a nih chuan damdawi lam dinhmun khirh tak chhinchhiahna a ni thei tih hre reng ang che. Chuvangin ngaihthah suh.
Take-Home Thuchah a ni
- Miosis hi mitmeng te tak te, a pangngai lo tak a ni a, êng chu a chhang tha lo mai thei.
- Hei hi natna a ni lo va, natna dang chhinchhiahna a ni.
- A chhan chu thil awlsam atanga natna khirh tak tak, damdawi, rulhut, thluak lam natna, stroke, leh mit natna te a ni thei.
- Hetiang ang chi hi i iris-a inthlak danglamna i hmuh chuan, a bik takin symptom dang nen a lo awm a nih chuan a rang thei ang bera doctor pan rawh.
- Damdawi i ei zawng zawng chu i doctor hnenah hriattir fo ang che.
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