Thil blurry leh stretched tak tak i hmu bawk em? Astigmatism chungchang hi han sawi ila

A châng chuan thil chu a hlimthla, a chiang lo, a nih loh leh a hrual deuh pawh i hmu ṭhin em? A bik takin zan lama lirthei i khalh hian i hmaa car headlight vel chu halo i hmu em? Lehkhabu emaw, chanchinbu emaw i chhiar lai te, TV i en lai te, computer-a i thawh lai te, rei vak lo hnuah lu na i nei em? I mit chu a chau tih i hria em? Chûng zînga pakhat emaw, a aia tam emaw i tawn tawh chuan he thuziak hi i tân a pawimawh hle ang. Vawiinah hian ‘Astigmatism’ tih natna pakhat kan sawi a, chu chu mi tam takin an nei a, mahse a hming an hriat chuan natna khirh tak angin an hlau a, mahse a takah chuan siamthat a awlsam hle.

Astigmatism hi eng nge ni tak tak?

A awlsam zawngin, astigmatism chu i mit, a bik takin i mit hmalam, cornea-a transparent part, cornea chu ball ang maia a round tawk lo tihna a ni. Hetiang dinhmun hi eng emaw chen chu kan nei vek a ni.

Mit hrisel tak, volleyball ang maia round ṭha famkim chu han mitthla teh. Tichuan mit chhunga êng lut chu chutiang bawkin, inang tlangin, retina-a hmun khatah a innghat a ni. Tichuan engkim chiang takin kan hmu thei ta a ni.

Mahse, i mit chu rugby ball ang maia siam a nih chuan eng nge thleng ang? I mit chhunga êng lo lut chu kawng khatah a ben a, kawng dangah a ben bawk. Chumi awmzia chu thil pakhat chauh chu focus-ah a awm a, a dang chu out of focus a ni tihna a ni. Chuvang chuan thil chu a hlimthla leh a inzawm tlat angin a lang.

Astigmatism hi myopia emaw nearsightedness emaw hyperopia emaw farsightedness emaw nen a awm dun fo thin. Heng condition pathumte hi refractive error kan ti vek a. Hei hi a chhan chu an pathum hian mit chhunga êng lut chu a ben (refracted) dan inthlak danglamna a awm vek a ni.

Astigmatism natna lan chhuahna chu engte nge ni?

Heng symptoms zinga pakhat emaw a aia tam emaw i nei thei ang:

• Thil chu a blurry emaw, a distorted emaw angin a lang (e.g., circle chu oval angin a lang) .
• Mit tichhe thei
• Lu na fo thin
• Zanah hmuh harsatna

Heng symptoms te hi a lo awm zauh zauh thin. Inthlauhna lian tak i hmu nghal lovang. Lu natna hi thil ngaihtuah tura i mit a thawhrimna atanga lo chhuak a ni. Mithiamte pawhin he dinhmun hi chhungkuaah a kal niin an ngai bawk . Chumi awmzia chu i nu emaw, i pa emaw, i chhungkuaa mi tu emaw chuan a neih chuan i nei tam zawk tihna a ni.

Hetiang dinhmun hi engte nge ni?

Mi tam tak tan chuan he dinhmun hi an pianpui thil a ni. Mahse mithiamte chuan eng thil nge a thlen tih chiang takin an la hre lo. Chu bakah chuan astigmatism hi chhan dang vang pawh a awm thei bawk.

• Mit hliam a neih hnuah
• Mit natna avang hian
• Mit zai hnuah

A tlem hle a, astigmatism hi keratoconus an tih natna vang pawh a ni thei. Hei hi mitmeng (cornea) chu a hring a, cone ang maia a lo awm chuan a ni. Chutiang a nih chuan chiang taka hmuh theih nan contact lens hman a ngai a ni.

Mahse thil pakhat hre reng ang che. Lehkhabu êng êng lo tak hnuaia chhiar emaw, TV hnaih lutuka en emaw hian astigmatism a thlen lo. Chu chu khawtlang nunah ngaihdan dik lo mai a ni.

Engtin nge hei hi i hmuh theih, Doctor?

I mit hmuh danah danglamna i hmuh chuan mit enfiahna kimchang tak neihpui turin mit doctor pan ngei ngei tur a ni. Doctor chuan i mit chart a chhiar tir ang che a, i mit a fiah zia a hriat theih nan. Chu bâkah, he dinhmun dik taka teh nân hmanraw hrang hrang an hmang bawk.

• Phoropter: I hre reng em, lens pakhat hnu pakhata thlak danglam thin machine, "Hei hi a chiang em, a chiang em?" Chutiang chuan mit hmuhna chiang ber pe theitu lens chu i hmu ta a ni.
• Keratometer: He machine hian i mit (cornea) curvature a teh thin. Hei hian doctor hnenah mitmeng (cornea) pianzia leh êng a focus theih dan tur a hriat chian tir a ni.
• Autorefractor: He device hian i mit chhungah light a thawn a, a bounce back dan a teh thin. Hei hian eng lens nge i mamawh tih rough idea a pe thei che a ni.
• Corneal topographer: Hei hi mitmeng pianzia hriatna chipchiar ber a ni. Hei hian i mit (cornea) 3D color map a siam a. He test hi laser surgery (`LASIK` ang chi) i neih chuan a pawimawh hle.

I damdawi pek dan hi kan hrethiam thei ang em?

I doctor-in damdawi a pek chea lehkha leh number i hmuh chuan hengte hi eng nge ni tih i ngaihtuah mai thei. A awlsam zawngin han sawifiah teh ang.

Entirnan, damdawi pakhatah "OD -1.00 x -2.00 x 155" tih a awm a nih chuan, chu chu i mit dinglam (OD) hian nearsightedness diopter 1 leh astigmatism diopter 2 a nei tihna a ni a, chu chu 155 degree-ah a awm tihna a ni.

Hei hi eng enkawlna nge ni?

Astigmatism vei zawng zawng deuhthaw hi glasses emaw contact lens emaw hmangin siamthat theih a ni. Mahse, astigmatism i neih tlem lutuk a, mit lama harsatna dang i neih loh chuan glasses i mamawh lo mai thei.

Tarmit

Contact lens hi i mit (cornea) pianzia mumal lo avanga blurring awm thin tihziaawmna tura siam a ni. Hma lam i thlir dik hunah an thawk tha hle. Mahse, astigmatism sang tak i neih chuan i bun tirh khan lei leh bang ang chi thilte chu a inzawm deuhin a lang thei. Chu chu lungngai suh. I mit chu ni engemaw zat emaw, kar engemaw zat emaw chhungin a insiamrem ang. Zing lamah darkar engemaw zat hak tum la, zawi zawiin i thiam tawh ang. Mahse, i mit a tha lo a nih chuan i damdawi pek dan dik leh dik loh hriat chian nan doctor hmu leh rawh.

Contact Lens hmanga siam a ni

Contact lens hian he dinhmun hi a siam tha thei bawk. Mahse chutiang atana siam lens chi khat bik i mamawh a ni. Astigmatism atana hman thin lens nem tak chu toric lens an ti a. Chungte chu mit chu a tilt lai pawhin a awmna tur dik takah a rotate leh thei tura siam a ni.

I astigmatism a nasat chuan rigid gas-permeable contact lens hi a tha ber. A châng chuan doctor-te chuan heng lens rigid tak takte hi orthokeratology an tih enkawlnaah an hmang ṭhin. Hemiah hian zan lama i mut laiin heng lens te hi i vuah thin. Lens hian i mit (cornea) pianzia chu rei lo te chhung atan a siam \ha \hin. Nilengin chiang takin i hmu thei. Mahse chutiang shape chu vawng reng tur chuan heng lens te hi i ha chhunzawm zel a ngai a ni.

Laser hmanga Mit Surgery hmanga tih a ni

Laser surgery, `LASIK` emaw `PRK` emaw ang chi hian i mit (cornea) pianzia chu a tidanglam reng a, chu chuan light chu a focus tha thei a ni. Chungte chuan rah tha tak tak a chhuah thei a ni. Hemi chungchang hi mit doctor hnenah i zawt thei ang.

Naupang tê tête chungah pawh hetiang hi a thleng ve em?

Awle. Naute tam tak chu astigmatism neiin an piang a. Mahse, ngaihtuahawm tur a ni lo. Kum khat vel an tlin meuh chuan a mah chauhin a bo tlangpui.

Mahse a pawimawh ber chu naupang mit hmuhna lama harsatna awm chu enkawl loh a nih chuan a sikul hnathawh chu direct-in a nghawng thei a ni. Naupang tê tê chuan a mit hmuhnaah harsatna a nei tih a hrethiam lo mai thei. Chuvangin hei hian a sikul hnathawh pawh a nghawng thei a ni. A châng chuan , dik lo takin ‘naupang zir thei lo’ tia vuah a ni thei bawk. Chuvang chuan naupang mit enfiah tir a pawimawh hle. Naupang thla 6 vel a nih laiin mit enfiah a tha ber.