Mit khatin hnai tak, mit dangin hla tak kan hmu thei em? Monovision chungchang hi han sawi ila!

Kum 40 i tlin hnuah chanchinbu emaw, lehkhabu emaw chhiar harsa i ti bawk em? I phone-a message hmuh tur chuan i kut i phar chhuak a, i hawi kual a ngai em? Hetiang thil tawn hi mi tam tak tan chuan kum upat deuh deuhin a awm fo thin. A nih loh leh mitdel surgery nghaktu i ni em? Tichuan he thawnthu hi i tan a pawimawh hle ang. Vawiin hian thil mak tak mai, hnai taka hmuh theihna buaina chinfel thei leh glasses hman tlem thei tur kan sawi dawn a ni. Chu chu Monovision a ni.

A awlsam zawngin, Monovision chu eng nge ni?

Monovision hi mit hmuhna siamthatna hmanrua a ni. I mit hian split-task tlem a tih ang maiin ngaihtuah rawh. Hetiang hmang hian i mit pakhat hmangin thil hnai tak tak (entir nan, lehkhabu chhiar, i phone en) chiang taka hmuh theih a ni . Mit dang chu thil hla tak tak hmuh nan hman a ni (entir nan, kawngpuiah bus, hla takah chhinchhiahna) .

Tunah chuan, "A nih leh engtin nge chiang taka ka hmuh theih ang?" Chutah chuan kan thluak hi a lo lut a, i thluak fing tak chuan mit pahnih atanga thlalak te chu a inzawm khawm a, thlalak kimchang leh chiang tak a siam a, chu chuan hnai leh hla takah pawh a hmu thei a ni. Mi thenkhat chuan hei hi "blended vision" an ti thin.

Engvangin nge Monovision hi kan mamawh?

A tlangpuiin kan hnaih ber thil kan en hian kan mit chhunga lens awm dan chu chiang zawka hriat theih nan a inthlak thin. Hei hi mit chhunga ciliary muscle te hian an ti thin. Hei hi accommodation reflex kan ti a.

Mahse kan tar chhoh zel a, a bik takin kum 40-45 kan tlin hnuah chuan kan lens flexibility chu a tlahniam zauh zauh thin. Tichuan, chu ruhte chuan engtiang pawhin bei mah se, hnai taka hmuh theih khawpin lens pianzia chu an thlak thei lo. Chuvangin presbyopia kan ti a ni. Greek tawng chuan "mit hlui" tihna a ni. Hei vang hian kum upa lam tam tak chuan chanchinbu pakhat chu kut phar chungin an chhiar a, hla takah an thlir thin.

Tin, mitdel i nei a, mit pakhat operation i neih pawhin i mit chhungah intraocular lens (IOL) dah theih a ni a, chu chu monovision atana siam a ni. Hei hi i mit specialist nen in sawiho thei a, thutlukna siam belh rawh.

Monovision neih theihna tur kawngte chu engte nge ni?

Monovision neih theihna tur kawng hrang hrang a awm. Ṭhenkhat chu hun eng emaw chen atan a ni a, chu chu engtik lai pawhin mit hmuhna pangngaiah i inthlak leh thei tihna a ni. Mi dangte chu chinfelna nghet tak a ni.

1. Contact Lens hman dan tur:Hei hi hmanraw awlsam ber leh lar ber a ni. I doctor chuan mit pakhat tan power hrang hrang nei lens pahnih a pe ang che. Pakhat chu near vision atan leh pakhat chu distance vision atan a ni. Hetiang method hian a thatna lian ber pakhat chu permanent surgery i kal hmain "try it out" (trial run) i tih theih hi a ni. Hei hi i hman thiam theih leh theih loh hriatna tha tak a ni.

2. Laser Vision Correction: Laser surgery LASIK (Laser-Assisted In Situ Keratomileusis) emaw PRK (Photorefractive Keratectomy) te hian mitmeng pianzia chu a nghetin a thlak danglam thei a, monovision a nei thei bawk. Hei hi permanent solution a nih avangin, a tlangpuiin contact lens hmanga trial hnuah chauh tih thin a ni a, chu chuan he method hi i tan a tha em tih enfiah a ni.

3. Intraocular Lens Surgery: Cataract surgery ang bawkin, thil dang dangah chuan mit chhungah artificial lens bik (Intraocular Lens) dahin monovision a pe thei bawk.

Monovision that lohna hi tlem han sawi leh ila.

Thluak hman thiam harsa

Hei hi harsatna lian ber a ni. Mi thenkhat tan chuan thluak hian ni rei lo te chhungin he mit thar hi a insiamrem thin. Mi dangte tan chuan kar tam tak a la ngai thei. Mi tlemte chauh pawh hian an insiamrem thei lo mai thei. An lu a buai thei a, an balance pawh a hloh thei bawk. Chuvangin doctor-te chuan permanent surgery hmain contact lens vuah i tum ngei ang tih an fuih a ni.

Depth leh 3D vision tlahniam (Depth Perception) .

Kan mit hian thil pakhat, a nih loh leh 3D thukzia chu a hmu thei a ni. Monovision-ah chuan mit pakhatin hnai zawka a focus a, pakhat zawkin hla zawka a focus avangin he 3D vision hi a tlahniam deuh a ni. Chuvangin, stairs chhuk emaw, car dah emaw hian a tir lamah tlem fimkhur a ngai a ni.

Pulfrich effect tia hriat phenomenon hi a ni

Tlem a buaithlak deuh a, mahse a awlsam hle. I mit pakhat atanga image information lo chhuak chu mit dang atanga information lo chhuak aiin i thluak ah a thawn tlai deuh niin han ngaihtuah teh. Hei hi a chhan chu mit pakhat a fiah a, a dang chu a hlim deuh avangin a thleng thei a ni. Tichuan, thil tlan chak tak (e.g. kawngpuiah car, ball vawrh) i en hian i thluak tan a hlat zawng leh a kalna lam dik tak hriat a harsa thin. Hei hi `(Pulfrich effect)` kan tih chu a ni.

Monovision hmanga khawsak huna ngaihtuah tur thil

Monovision hmangtu i nih chuan doctor-in a sawi angin i mit enfiah fo a pawimawh. Kum khatah vawi khat emaw vawi hnih emaw tal mit enfiah thin tur a ni. Damdawi dang, zunthlum ang chi i neih chuan i mit enfiah fo a ngai mai thei.

A châng chuan, thil engemaw takah, lirthei khalh ang chiah hian i rilru a hah a nih chuan, chutiang hun lai chauha i hak theih tur glasses bik i hmu thei a ni. Heng zawng zawng hi i doctor nen inrawnkhawmin, i mamawh leh nunphung a zirin thutlukna siam tur a ni.