Doctor-in i mit an enfiah a, i mitmeng (cornea) thickness teh turin an hrilh che tawh ngai em? ‘Pachymetry Test’ ti turin an hrilh che pawh a ni thei. Mi tam tak chuan he hming hi an hriat hian thil mak deuhin an inhria a, fiahna lian tak a ni emaw, a na dawn emaw tiin an ngaihtuah thin. Chuvangin vawiin hian he Pachymetry Test hi eng nge a nih, engvangin nge tih a nih tih leh i hlauh tur nge tih te i sawi dawn nia.
A awlsam zawngin, he Pachymetry Test hi eng nge ni?
A awlsam zawngin sawi ila, Pachymetry Test hi i mit (cornea) thickness tehna test a ni. Tunah chuan, "He cornea hi eng nge ni?"
Cornea hi kan mit hmalam a membrane te tak te, a langtlang vek, watch ang maia awm a ni. Hna pawimawh pahnih a nei a, chungte chu:
1. Mit chhunga êng lut chu focus-in chiang taka hmuh theih turin min pui thin.
2. Leivut leh hrik laka mit venhim.
Chuvangin, he Pachymetry Test hian mitmeng (cornea) thickness chu micrometer-in a teh a ni. Hei hian doctor hnenah mit hriselna chungchangah thu pawimawh tak tak a pe a ni. A chang chuan he test hi `Corneal Topography` tih test nen inzawmin an ti thin a, chu chuan mitmeng chunglam map a siam thin.
Eng dinhmunah nge he test hi tih a nih?
Doctor chuan chhan hrang hrang avangin he test hi a order thei a ni. A tlangpui ber chu:
- Glaucoma Diagnosis and Treatment: Glaucoma hi mit chhunga pressure (Intraocular Pressure - IOP) a san a, mit nerve a tichhe thei a ni. Doctor ten he pressure hi `Tonometry` tih test hmangin an teh thin. Mahse, hetah hian mit (cornea) thickness hian hmun pawimawh tak a chang a ni.
- Eyeglass lakchhuah hma: Tunah hian mi tam tak chuan an glasses paih chhuah nan `LASIK` ang chi surgery an nei mek a ni. He surgery-ah hian laser beam hmanga mit (cornea) pianzia thlak danglam a ni. Chuvangin he surgery i tih hma hian i mit (cornea) chu a tuar thei tur khawpa thuk a nih leh nih loh i hriat chian a ngai a ni. Cornea a hring a nih chuan operation hnuah `(corneal ectasia)` ang chi complication a awm thei. Chuvangin he test hi himna atan tih a ni ngei ang.
- Cornea nena inzawm natna dangte chu:He test hi mitmeng thickness tichhe thei dinhmun enfiahna atan pawh hman a ni a, chungte chu `keratoconus` (cornea cone ang maia chhuak), `Fuchs' dystrophy`, leh `corneal hydrops` te hi a ni.
- Mit hliam: Hei hian mit hliam a awm chuan mit (cornea) a chhiat emaw, a thickness a danglam em tih hriat nan a pui bawk.
- Optical Pachymetry (non-contact method) hian risk a keng tel lo.
- Ultrasonic Pachymetry (beng khawih dan) hian hlauhawmna a nei tlem hle. Mahse, hengte hiThil thleng tlem hle.
- Infection (hei hi a awm a rinawm loh a, a chhan chu hmanrua te chu sterilized tha tak a nih vang a ni).
- Mit-ah harsatna emaw, natna emaw tlem a awm tih hriat.
- Allergy thenkhat chu numbing drops ah an awm.
- Device nena inzawmna avanga mit (cornea) a chhiat, a hliam tenau te ang chi.
- Pachymetry Test hi test awlsam tak, natna nei lo leh rang tak a ni a, i mitmeng thickness tehna a ni.
- Hei hi glaucoma dik taka hriat theihna tur leh LASIK ang chi operation hmaa himna tur atana pawimawh tak a ni.
- Test dan pahnih a awm a, pakhat chuan mit a khawih lo a, pakhatah chuan mit chu a numbing hnua hmanraw te tak te hmanga zawi zawia khawih a ni.
- Test result chu number chauh a ni. I doctor chauh hian a awmzia leh i mit hriselna chungchang sawifiahna tha ber a pe thei che a ni. Chuvangin chu mi chungchangah chauh chuan thutlukna siam turin zuang lut suh.
- I mit enfiahna emaw, he test chungchangah emaw zawhna i neih chuan doctor zawt hreh suh.
Entirnan, i mit (cornea) chu a tlangpui aia thuk zawk a nih chuan mit chhunga pressure chu a nihna tak aiin a sang zawk thei. Chutiang bawkin, mit (cornea) chu a thim zawk a nih chuan , a pressure chu a nihna tak aiin a hniam zawk thei bawk. Chuvangin he thickness hi hriat hi doctor tan chuan glaucoma i vei leh neih loh hriat a pawimawh hle.
He test tih dan tur hi engte nge ni?
He test hi lak dan tlangpui pahnih a awm. An pahnih hian an rang hle a, an awlsam hle bawk. Hemi atana inbuatsaih tur hian thil danglam bik tih a ngai lo.
| Test dan tur | Engtin nge a nih |
|---|---|
| Optical Pachymetry hmanga thil tih a ni | Hemiah hian engmah hmanrua engmahin i mit a khawih lo. I tih tur chu machine hmaah thu la, i hmui leh i hmai chu a chunga hmun khatah dah mai tur a ni. A thickness hi machine hmanga thlalak lak atanga teh a ni. Chutiang hmanraw dang chu Optical Coherence Tomography (OCT) a ni. |
| Ultrasonic Pachymetry hmanga tih a ni | Hetiang procedure ah hian a hmasa berin i mit ah numbing drop thenkhat dah thin a ni. Chuvangin engmah i hre lovang. Tichuan, pen ang chi instrument te tak te, sterile (pachymeter) tip chu second engemaw zat chhung chu i mitmeng chungah zawi zawiin i dah a. A thickness hi ultrasound wave hmanga teh a ni. |
Tlemte hriat nawn tirna
I mit enfiahna atan numbing drop emaw dilating drop emaw pek i ni dawn tih i hriat chuan midang nen chuan a him zawk a, heng drop te hian rei lo te chhung chu i mit a ti fiah lo thei a ni.
Hei hi risk a awm em?
Hei hi test him tak a ni.
He test hnua mit na emaw, mit a fiah lo emaw i neih chhunzawm chuan doctor ko nghal rawh.
Test result chungchang hi i hrechhuak ang u.
He test-a thil tha ber chu result hmuh nghal mai hi a ni. Doctor chuan a sawipui nghal thei che a ni.
Mit hrisel tak central corneal thickness chu micrometer 540 leh 550 inkar a ni .
Mahse, hei hi a zatve (average value) chauh a ni tih hre reng ang che. I kum, i hnam leh i hriselna dinhmun dang a zirin a danglam thei. Chuvangin i value hi he range pawn lam tlem a nih chuan lungngai suh. I mit chu a hrisel vek mai thei. I doctor chauhvin a result chu dik takin a hrilhfiah thei ang.
Results a zirin i doctor chuan i glaucoma enkawl dan tur emaw, mit surgery atana candidate tha tak i nih leh nih loh emaw a rel thei a ni.
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