I visual field test chungchang zawng zawng

Mit enfiahna i nei tawh em? Kan kal hian kan mit a chhe deuh em tih leh glasses kan mamawh em tih te kan ngaihtuah tlangpui. Mahse, mit lam doctor chuan i mit chungchang hi a check tam zawk tih i hria em? Chutiang test pawimawh tak pakhat chu Visual Field Test hi a ni. Hei hi thil harsa tak angin a lang thei a, mahse test awlsam tak, hrehawm lo tak a ni. Vawiin hian engkim hi awlsam takin kan sawi dawn a ni.

A awlsam zawngin, he Visual Field Test hi eng nge ni?

Hma lam i hawi nghal mai ang tih han ngaihtuah teh. I hmalam i hawi nghal vek a, i lu emaw i mit emaw ti che lovin i hmuh theih range zawng zawng, chu chu kawng tinrenga i hmuh theih range zawng zawng, chunglam, hnuai lam, dinglam leh veilam te hi a ni a, chu chu visual field kan tih hi a ni.

A awlsam zawngin, hmalam i hawi nghal pawhin, a sir lehlamah lo kal chu i hmu tlem hle a ni lawm ni? Chu chu peripheral vision kan tih chu a ni. Direct taka i en chu central vision an ti a .

Chuvangin, he Visual Field Test hian a tih chu i field of vision zawng zawng, chu chu i hmuh theih zawng zawng range zawng zawng "map" a ni. Sri Lanka map ang mai a ni a, i visual map chu eng ang nge a nih tih a en bawk.

He test hian thil pawimawh pahnih a teh a:

1. I field of vision hi engtiang chiahin nge a zau? - Hei hian i lu sawn lova hmalam i en dik chuan chunglam, hnuai lam, veilam leh dinglam i hmuh theih zat a kawk a ni.

2. I mit hmuhna chu engtin nge a awm? - I mit hmuhna zawng zawng chhungah hian hmun thenkhat chu a chiang a, hmun thenkhat chu a fiah lo va, hmun thenkhat chu hmuh theih loh khawpin a awm bawk. Chuvangin hei hian heng hmun tinah hian i mit a sensitive zia a tilang bawk.

A tlangpuiin kan mit hian hmalam chu a hmu chiang ber. Chuvang chuan thil chiang taka hmuh kan duh chuan chu lam hawiin kan lu kan hawi a, hmalam kan thlir nghal mai thin. Centre atanga kan kal bo deuh deuh chuan kan mit chu a fiah deuh deuh thin. Kan hlat lutuk chuan chu thil chu kan hmuh theih lohvin a bo vek a ni.

Engvângin nge he fiahna hi a pawimawh êm êm?

Mit doctor i tlawh hian hei hi routine checkup pakhat angin tih theih a ni. He test hi a pawimawh hle a, a chhan chu a rukin mit tichhe thei dinhmun thenkhat a hmuchhuak thei a, chu chu symptom engmah a lan hmain a ni.

He test hian doctor hnenah kan mit hmuhna (visual system) hnathawh dan tur tam tak a pe bawk. Kan visual system hian a bulpui pathum a nei a, chungte chu:

• Retina: Hei hi mit chhungah a awm a. Camera chhunga film awm ang mai a ni. Mit chhunga light lut chu electrical signal-ah a chantir thin.
• Optic Nerve: Hei hi "cable" a ni a, chu chuan retina atanga signal lo chhuak te chu thluak ah a phur lut thin.
• Thluak: Thluak hian heng signal te hi a dawng a, a zirchiang a, kan hmuh ang lem (image) ah a chantir thin.

Heng hmun pathum zinga pakhatah pawh harsatna a awm chuan i Visual Field Test result-ah a lang ang. He visual map-ah hian natna hrang hrang nena inzawm inthlak danglamna pattern bik a awm a. Heng pattern te hi zirchian hian i doctor chuan eng ang dinhmun nge i neih tih a lo chhut thei ang.

He test hi eng damdawi lam dinhmun lian ber berte nge tih?

Symptoms i neih emaw, natna i rinhlelh emaw chuan i doctor chuan he test hi a ti thei ang. He test result hi natna hriat chian nan leh natna pakhat chu control theih a nih leh nih loh enfiahna atan hman a ni.

Engvangin nge mi thenkhat chuan he test hi an tih chhunzawm zel a ngaih?

Hei pawh hi mi tam takin an zawh thin a ni. A chang chuan doctor chuan he test hi a ti thei a, ni engemaw zat hnuah tih leh turin a ti thei bawk. A nih loh leh thla engemaw zat, kum khat hnuah tih leh turin a ti thei che a ni. Chutiang a nih chhan hi eng emaw zat a awm.

1. Results finfiah rawh: Test ni khan i chau tawh ang u, a nih loh leh i concentration a tha lo ang. Tichuan result-ah hian tihsual tenau a awm thei bawk. Chuvangin, result 100% a dik leh dik loh hriat chian nan test lak leh turin i dil thei ang.

2. I dinhmun enfiah rawh: Hei hi a chhan ber a ni. A bik takin glaucoma ang chi natna rei tak nei tan chuan i doctor chuan he test hi a hun takah a ti ang. Tichuan i damdawi ei chu a thawk tha em tih te, natna a zual zel em tih te, a thunun theih tawh em tih te a hmu thei ang. Hei hi zunthlum vei sugar level endik emaw, thisen sang nei mi thisen sang enfiah emaw ang chiah a ni.

Test neih chhung hian eng nge thleng?

He test hma ni khatah hian inbuatsaih vak a ngai lo. Hei hi taksa tana harsatna leh natna thlen thei test a ni lo.

Visual Field Test tih dan hrang hrang a awm a. Mahse heng hmanraw zawng zawnga thil awm tlangpui chu hmun khatah i en dik a ngai a ni. Chutianga i tih lai chuan a sir lehlamah light emaw thil lo chhuak emaw i hmuh veleh signal i pe nghal tur a ni. Chu signal chu i kut a button te tak te hmet la, i pe tur a ni.

Test dik taka tih tur chuan doctor emaw technician emaw sawi angin hmalam thlir nghal a pawimawh hle.

Test dan awlsam ber berte

Hengte hi hmanraw buaithlak vak lo, basic check anga tih thin a ni.

• Amsler Grid: Hei hi square ruler ang mai a ni. A laiah hian dot lian tak a nei a. I tih tur chu mit pakhat kha khar la, a laia dot awm chu mit dang hmangin i en mai tur a ni. I en lai chuan hmun thenkhatah chuan square-a line awmte chu a inzawm khawm emaw, a chhe emaw, a hring emaw, a hring emaw a nih chuan doctor hnenah i hrilh tur a ni. Hei hian i central vision a test ber a ni.
• Confrontation Visual Field Test: He test-ah hian doctor chu i hmaah a thu a, feet 3 atanga feet 4 vel a hlaah a thu a. Mit pakhat i khar a, doctor hnar chu i en nghal a. Doctor chuan a kut chu a sir lamah a phar chhuak a, a rawn hruai lut a, a kut i hmuh hunah i hrilh a ngai a ni. Hei hian i peripheral vision zau zawng chu rough idea a pe che a ni.

Test dik zawk, tunlai zawk (Perimetry Tests) .

Hengte hi computer hmanga test a ni a, result dik leh chipchiar zawk a pe thei a ni. Chungte chu perimetry test an ti tlangpui.

Heng computer hmanga test te hi a dik zawk a, a chhan chu i lu chu hmun khatah a dah a, i mit a ti nghet a, i mit hmuhna (visual sensitivity) chu êng êng thlak danglamin chiang takin a teh a ni. Mi hrisel result pangngai nen pawh an khaikhin thei bawk.

He test hian eng chen nge a daih?

Mit pakhat test nan hian minute 5 leh 10 inkar a ngai tlangpui a, chuvangin hei hi test rei tak, hahthlak tak a ni lo.

Results hian eng nge a sawi?

Doctor chuan test result chu a hrilhfiah ang che, chu chu i "vision map" a ni.

• A "Normal" result: Hei hian i field of vision-ah harsatna a awm lo tihna a ni a, mitdelna a awm lo tihna a ni.
• An "Abnormal" result: Hei hian i mit hmuhna hmun thenkhatah i mit a tlahniam tihna a ni. He mit hmuh lohna hi hmun tlemteah emaw, hmun zau zawkah emaw a darh thei a ni.

I result a dik lo a nih chuan lungngai suh. I doctor chuan a chhan, a hnua i tih tur leh a enkawl dan tur chu chiang takin a sawifiah ang.

Engtik hunah nge doctor ka hmuh ang?

I mit hmuh danah inthlak danglamna thar emaw, nuam lo emaw i hmuh chuan ngaihthah suh. Doctor hmu ngei ang che .

I mit a tlakchham thut emaw, mit na tak i neih emaw chuan emergency a ni. Damdawi in hnai ber Emergency Treatment Unit (ETU) ah kal nghal rawh.

I hrisel nia i inhriat pawhin mit enfiah fo a pawimawh a, a chhan chu chutih hunah chuan mit natna i hriat loh mai theih te chu i hmuchhuak thei a, i enkawl thei bawk.