I mit chu a kang ang maiin i hria em? Photokeratitis chungchang hi han sawi ila!

Ni rei tak ni chhuahna atanga i haw hnuah emaw, welder pakhat i en reng hnuah emaw, i mit chu a sen a, a kang a, a na a, a mit a chhe vek em? I mitmengah sand a awm ang maiin i hria em? Hetiang hi mi tam takin an tawng tawh a ni. Hei hi damdawi lam hawi chuan "Photokeratitis" kan tih chu a ni. Ngaihtuah buai suh, awlsam takin sawi ila.

Photokeratitis hi eng nge ni tak tak?

A awlsam zawngin, ni zung kang ang mai a ni. Mahse, i vun a ni lo, i mit a ni zawk. Ultraviolet (UV) rays a tawrh hian mit chunglam a tichhe thin. He chhiatna hian mit hmun thianghlim leh fiah tak, mitmeng (cornea) leh mit hmun dum, conjunctiva -a khuh tu membrane te tak te chu a nghawng ber a ni.

Hetiang dinhmun hian mit pahnih hi a rualin a nghawng tlangpui. Miten a chhan a zirin hming hrang hrangin an ko thin.

• Snow blindness: Hei hi photokeratitis natna, vur tlakna hmuna ni êngin vur atanga mit a tlak avanga lo awm thin hming an vuah a ni. Tlang hmuna boruak hi a thim zawk a, chuvangin UV rays laka invenna a tlem avangin he hlauhawmna hi a sang zawk a ni.
• Arc eye / Welder’s flash: Hei hi welding laia êng nasa tak (welding arc) avanga lo awm thei dinhmun hming an vuah a ni. Kan ramah hian hetiang hi mi tam takin an tawng tawh a ni.

Hei hi eng symptoms nge ni?

Photokeratitis hian symptoms a siam nghal lo. UV rays atanga darkar tlemte hnuah a intan tlangpui. A hnuaia symptoms pakhat emaw a aia tam emaw i nei thei.

Heng symptoms te hi darkar 6 leh 24 inkar a awm tlangpui. Mahse darkar 48 chhungin an reh vek tlangpui. UV rays i hmuh rei poh leh a symptoms chu a na zual thei.

Eng thilin nge photokeratitis hi a thlen?

A chhan ber chu ultraviolet (UV) rays a ni. Ni atanga UV-A leh UV-B rays pahnih hian hun rei lote chhung leh hun rei tak chhung kan mit a tichhe thei a ni. Vanneihthlak takin a chi dang UV-C chu ozone layer-in a hip lut a, lei a thleng lo.

Ni êng bakah hian hetiang dinhmun thlen thei UV source dang thenkhat chu hetiang hi a ni:

• Ni êng (reflected sunlight): Snow, ice, tui, sand, cement ang chi leilung atanga ni êng lo chhuak pawh hi a chak hle bawk. He risk hi tuipui kama i awm hian a nasa zawk.
• Welding hmanrua: Welding (arc welding) laiin êng nasa tak lo chhuak.
• Tanning beds: Vun tanna atana hman thin lamp.
• Lamp chi thenkhat: Lamp thenkhat chu mercury vapor lamp, halogen desk lamp te hi a ni.
• Medical light: UV light source bik, disinfection atan emaw, enkawlna thenkhat atan emaw hman thin .

Tu nge hlauhawm ber?

Hetiang natna hi i vei theihna a sang zawk a, chu chu:

• Pawn lama ni chhuahna hmuna hun tam tak i hman chuan, hiking, skiing, emaw swimming ang chi thil tihnaah i tel a nih chuan.
• UV light source hmanga hna i thawh chuan, welding ang chi .
• **Hmun sang takah i awm a nih chuan.

Hei hian hun rei tak chhung nghawng a nei thei ang em?

Photokeratitis hi hun rei lote chhunga awm a ni tlangpui a, mahse UV rays tlemte pawha inhriat chhunzawm zel chuan hun rei tak chhung harsatna a thlen thei a ni.

• Cataract: Mit lens atanga chhum (close) a awm.
• Macular Degeneration: Kum upat deuh deuh chuan central vision a hloh thin.
• Mit chunglama tissue lo thang lian: Mit chung lamah hian `pingueculae` leh `pterygia` ang chi tissue te hi a lo thang lian thei a. Hengte hi sunglass hmanga ven theih a ni.

Tin, LED light, computer leh smartphone atanga blue leh purple light chhuak hian hun rei tak chhung chu retina tan a tichhe thei bawk tih hre reng ang che.

Photokeratitis i vei chuan eng nge i tih ang?

Symptoms i hriat tan chuan hlauthawng suh la, heng thilte hi ti rawh.

In lama i tih theih thilte

1. In chhungah lut nghal rawh: UV rays lakah hlat rawh. A theih chuan pindan thim takah awm rawh.

2. Contact lens paih: Contact lens i bun chuan la chhuak nghal rawh.

3. Mit hnawih suh: Mit hnawih hian mit (cornea) a tichhe zual thei.

4. Towel lum hnawih: I mit khap la, a chungah puan fai tui lum a hnim hmin dah la. Hei hian inflammation leh natna a tihziaawm ang.

5. I mit chu chawlh hahdam rawh: I mit khap la, chawlh hahdam rawh.

6. Sunglass vuah: In chhungah pawh light a awm nuam lo nia i hriat chuan sunglass vuah thin ang che.

7. Mittui siam (artificial tears) hmang rawh: Hengte hian mit vawt leh mittui tlak lohna a tiziaawm thei a ni. Mahse, an hman hmain doctor rawn hmasa phawt a tha.

8. Painkillers: Ibuprofen ang chi painkiller i ei thei. Amaherawhchu, damdawi eng pawh i ei hmain doctor nen inbiak hmasak phawt a pawimawh.

Hetiang dinhmun lakah hian engtin nge i inven theih ang?

Photokeratitis hi ven theih vek a ni. A venna atana hmalak dan tur chu a awlsam hle.

• Sunglass tha tak ha rawh: Pawn i chhuah apiangin UV rays 99% emaw 100% emaw block thei sunglass quality tha tak ha thin ang che . Wrap-around chi hrang hrang hi a tha ber. Chhum ni-ah pawh UV rays hian lei a la thleng tho a, chuvangin sunglass vuah a pawimawh hle.
• Kawrfual bun: Kawrfual hrual zau tak bun hian mit atanga ni êng direct-a inhriat lohna a ti tlem thei a ni.
• Hnathawh hmunah invenna hmanrua vuah: Welding emaw, UV rays chhuahna hmuna hnathawh emaw i nih chuan safety glasses emaw face shield emaw dik tak vuah ngei ang che.
• Kum tin i mit enfiah thin ang che: Kum khatah vawi khat tal mit lam doctor pan la, i mit enfiah rawh.

Engtikah nge doctor i hmuh ngei ang?

A tam zawkah chuan hei hi natna khirh tak a ni lo. Amaherawhchu, a hnuaia symptoms te hi i neih chuan doctor pan nghal rawh.

• I mit a bo emaw, a chak lo hle emaw a nih chuan.
• Ni hnih aia rei natna leh symptoms a awm reng chuan.
• In lama enkawlna hian a puih loh chuan.

Chutiang a nih chuan damdawi in hnai ber Emergency Department (ETU) -ah kal a tha ber. Doctor hnenah UV rays (ni hnuaia awm, welding en ang chi) i tawrh dan sawifiah rawh.