Mit chhungril thlalak a ni em? Fundus Photography chungchang hi han sawi ila!

Mit doctor-in, "I mit chhung lam thlalak han la ila" a tih hi i hre ngai em? Chu thu i hriat chuan mak i ti deuh mai thei. I mit chhung lam thlalak? Engtin nge pakhat i lak ang? Chutah chuan eng nge i hmuh? Zawhna tam tak ka rilruah a lo thleng ngei ang. A damdawi lam hming chu Fundus Photography a ni . Hei hi a takah chuan i mit hriselna enfiahna atana test na tak, awlsam tak leh pawimawh tak a ni. Chuvangin, vawiin hian he thu hi chiang tak leh awlsam takin sawi ila.

Fundus Photography hi eng nge ni tak tak?

A awlsam zawngin, Fundus Photography hi i mit hnunglam bang thlalak (photo) lakna a ni a, chu chu fundus an ti a ni. He thlalak hian i mit doctor chuan i mit hmuhna atana pawimawh tak tak thenkhat chu chiang takin a enfiah thei a ni. Kan taksa chhung lam X-ray lak ang bawkin hei hian kan mit chhung lam chu kan hmu thei a ni.

Kan mit hi camera angin han ngaihtuah teh. Pawn lam atanga êng chu mit chhungah a lut a, a hnung lama screen pakhat a rawn deng a. Chu screen ang chi chu he test hian a en ber a ni. Chu hmuna hmun pawimawh tak takte chu:

• Retina: Hei hi mit hnung lama light-sensitive cells (`photoreceptors`) layer awm chu a ni. Camera chhunga film awm ang mai a ni. Heng cell te hian light an hmuchhuak a, chu information chu electrical signal angin thluak ah an thawn thin. Thluak hian chu signal te chu a inzawm khawm a, kan "hmuh" chu a siam ta a ni.
• Macula: Hei hi retina-a sensitive ber a ni. Hemi biala light-sensitive cell-te hian rawng leh thil chipchiar tak takte chiang taka hmuh theih turin min pui a ni. Hei hian lehkhabu chhiar leh mi hriat chian ang chi thil tha tak tak ti turin a pui che a ni.
• Optic Nerve: Hei hi kan mit leh kan thluak inkar data cable ang a ni. Retina atanga information lakkhawm zawng zawng hi he nerve hmang hian thluak lamah a kal vek a ni. Mit natna tam tak hian he mit nerve hi a nghawng thei a ni.
• Choroid: Hei hi retina hnuaia layer awm a ni. Retina-a thisen, oxygen leh nutrients pe chhuaktu thisen kalna kawng (network of blood vessels) a awm a ni.

Heng zawng zawng hi hrisel taka vawn hi i mit hmuhna atan a pawimawh hle. Fundus thlalak hian heng hmun hrang hranga inthlak danglamna tlemte pawh hi a hmu thei a ni.

Engtikah nge fundus thlalak hi an tih thin?

He test hi mit endikna pangngai (routine eye exam)-ah pawh tih theih a ni bawk. Chumi awmzia chu i mit lamah harsatna a awm loh nan tih a ni tihna a ni. Tin, mit natna i neih emaw, i mit a danglam nia i hriat emaw chuan he test hi a chhan zawng chhuah nan tih a ni ngei ang.

Fundus photography hi a bik takin a hnuaia natna te hi a awm leh awm loh enfiah nan emaw, chu natna te chu control theih a nih leh nih loh enfiah nan emaw a pawimawh hle.

He test titu machine hian engtin nge hna a thawh?

Fundus thlalakna atan hian camera bik hman a ni. Hei hi `fundus camera` an ti a. Mit clinic-ah hian hetiang camera chi khat tal hi an nei tlangpui. Camera chi hnih a awm ber.

1. Standard fundus camera: Hei hi binocular pahnih ang deuh deuh a ni. I hmui leh i hmai dahna tur frame hran a nei a. A lehlamah chuan doctor hmuh theih turin lens a awm a. Hetiang camera hmanga thlalak lak hma hian i mit chu mit tizau thei tur drop thenkhat dahin mit chu a tizau a ni. Hei hian i mit chhung lam chu chiang takin a hmu thei a ni.

2. Wide-field laser-based camera: Hengte hi camera thar tak tak an ni. Mit chhung lam thlalak chiang tak, wide-angle-in an la thei a, mitmeng chu ti lian lovin an la thei a ni. Mahse, a chang chuan eye drop i dah hian image chu a chiang zawk thin. Chutiang a nih chuan circular hole chhungah i en a ngai a ni.

Test hma leh test neih chhung hian eng nge beisei tur?

He test atan hian inbuatsaihna bik i siam a ngai lo.

Mahse, i doctor-in i mitmeng (blackhead) lian zawka siam turin i mitah mittui tlakna (edrops) dah a tum a nih chuan, damdawiin hna a thawh theih nan minute engemaw zat (a tlangpuiin 15-20) a ngai dawn a ni. Chumi chhung chuan rei vak lo nghah a ngai dawn a ni.

Test neih chhung hian...

I doctor-in camera a hman chi hrang hrang a zirin i thil tawn chu a inang lo deuh thei.

• Camera pangngai atanga lo chhuak a nih chuan:

Chair-ah i thu ang a, i hmui leh i hmai chu camera frame-ah i dah ang. Hei hian i lu a che dawn loh avangin thlalak chiang tak i la thuai thei ang. Device chhunga i en chuan light te tak te i hmu ang. I en a ngai dawn a ni. A lehlamah doctor emaw technician emaw chuan camera a siamrem ang a, pakhat hnu pakhatin thlalak a la ang. Hei hi mit pakhat emaw, mit pahnih emaw tan pawh tih theih a ni.

• Laser camera atanga lo chhuak a nih chuan:

Hetah hian circular target pakhat chu en nghal turin an ti che a ni. I en lai chuan, photocopier light ang maia green light eng tak , second khat vel zet chu i mit hmuhna aṭangin a kal tlang a. Chutah chuan thlalak chu a la ta a ni. A tlangpuiin mit khatah thlalak pathum vel lak a ni.

Test zawhah eng nge thleng? Engtin nge result ka hriat ang?

Thlalak lak zawh hnuah doctor nen inbiakna hun remchang i nei ang. Tunah chuan camera tam zawkah chuan i computer screen-ah thlalakte chu direct-in i en thei tawh a ni.

Doctor chuan computer screen-ah thlalakte chu a dah nghal ang a, a rawn entir ang che, mit chhunga thil awmte chu a hrilhfiah ang che.

• Engkim a normal a nih chuan , doctor chuan a hrilh ang che.
• Thil danglam emaw, natna chhinchhiahna emaw a awm chuan , eng nge an nih leh an tih tur an sawifiah ang.
• He test hi i lo nei tawh a nih chuan thlalak thar leh thlalak hlui te pawh i khaikhin thei bawk . Hei hian hun kal zelah mit chhungah eng inthlak danglamna nge thleng tih chiang takin a hmu thei ang.

Thlalak result a zirin i doctor chuan a hnuaia mi pakhat emaw a aia tam emaw a ti thei ang:

• Test engemaw zat dang neih belh tura rawtna.
• Enkawl dan tur rawtna siam.
• Follow-up appointment neih hun tur ruahman.
• Specialist dang hnenah refer tur a ni.

Hei hian risk emaw side effect emaw a nei em?

Fundus Photography hi test him tak a ni . He test atang hian side effect a awm lo tluk a ni.

Mahse, i mit dum tihzauh nan dilating drop i neih chuan side effect tenau tak tak i nei thei. Mahse, lungngai suh, hengte hi hun eng emaw chen atan chauh a ni .

• Vision a blurry deuh mai thei.
• Mit chu êng êng tak (`light sensitivity` emaw `photophobia`)-a siamrem a harsa mai thei.

Hetiang dinhmun hi darkar tlemte chhungin a bo vek tlangpui. I doctor chuan he damdawi hian eng chen nge a nghawng dawn tih a hrilh ang che.

Test zawhah ka khalh thei ang em?

Hei hi mi tam takin harsatna an neih a ni. I mit dum chu mittui tlakna hmanga tihzauh i nih chuan darkar tlemte chhung lirthei khalh loh a him ber . Hei hi a chhan chu i mit a fiah lo va, chu chuan accident a thlen theihna a tipung a ni. Chuvangin he test-a lo kal hunah hian mi pakhat nen lo kal emaw, vantlang lirthei hmang emaw, mahni chauha lirthei khalh ai chuan a tha zawk.

Clinic hian a tlangpuiin disposable shaded covers a pe ang che a, chu chu sunglass ang maia bun theih a ni a, hei hian light sensitivity a tihziaawm thei a ni.