Tsis yog txhua tus hnav tib hom tshuaj tiv thaiv kab mob. Thiab nws tsis yog hais txog xim lossis ib hnub xwb. Yog li, piv txwv li, qee zaum koj xav tau cov lo ntsiab muag tshwj xeeb - toric. Qhov no yog vim muaj kab mob xws li astigmatism. Peb caw koj kom nkag siab tias lo ntsiab muag toric txhais li cas, lawv xaiv thiab hnav nta.
astigmatism yog dab tsi?
Astigmatism yog ib qho mob uas lub pob kws lossis lub qhov muag muaj qhov tsis sib xws, ua rau lub teeb pom kev sib txawv thiab pom qhov muag tsis pom.
txhawm rau txiav txim siab qib ntawm tus kab mob, nws yog qhov tsim nyog los txheeb xyuas qhov ntsuas ntawm qhov meridian uas lub teeb ci dhau mus. Qhov ntsuas ntsuas ntawm xoom mus rau ib puas yim caum degrees.
Qhov ua rau astigmatism tsis tuaj yeem txiav txim siab nrog qhov tseeb. Nws tuaj yeem ua tau los yog tsim kho raws sijhawm.
Yog tias tsis muaj kev nqis tes ua, ces astigmatism yuav txhim kho thiab tuaj yeem nrog cov khoom tsis zoo xws li:
- strabismus;
- frequentmob taub hau;
- khaus thiab txiav qhov muag pom.
Tus kab mob no kho tau raws li hauv qab no:
- hnav tsom iav tshwj xeeb;
- orthokeratology;
- laser phais;
- hnav toric lo ntsiab muag.
Toric lo ntsiab muag
Cov lo ntsiab muag tshwj xeeb no yog tsim los ntawm tib yam khoom xws li lo ntsiab muag, hu ua spherical lo ntsiab muag. Yog li cas toric contact lenses txhais li cas? Qhov tshaj plaws yog tias lawv muaj ob lub zog kho qhov muag, qhov curvature ntawm qhov sib txawv. Ib qho yuav tsum tau kho astigmatism, lwm qhov - myopia lossis hyperopia. Lawv tau tsim nyob rau hauv xws li ib txoj kev uas lub lens tsis txav ntawm lub cornea thaum lub sij hawm blinking los yog lub qhov muag txav. Ntawd yog, yog tias lub lens kheej kheej tuaj yeem txav mus los ntawm lub cornea, ces qhov no tsis tsim nyog rau cov toric sawv daws yuav. Lawv yuav tsum tau kho ntawm qhov muag.
Toric contact lo ntsiab muag yog cov hauv qab no:
- mob lossis nyuaj;
- ib hnub lossis ntev hnav;
- xim.
Cov kws kho mob pom zoo kom hnav lub ntsej muag toric nkaus xwb rau cov neeg mob uas muaj astigmatism, tab sis kuj muaj cov kab mob xws li:
- cataract;
- kab mob thiab kev raug mob ntawm pob txha.
Cov tsos ntawm toric lo ntsiab muag yog ib qho sib xyaw ua ke thiab cylindrical.
Raws li qhov muaj pes tsawg leeg ntawm lo ntsiab muag tau muab faib ua hydrogel thiab silicone hydrogel. Qhov sib txawv tseem ceeb yog txoj kev hla huab cua: los ntawm dej lossis silicone tivthaiv.
Type of contact lenses
Hnub no kev ua lag luam rau toric contact lo ntsiab muag yog raws li hauv qab no:
1. "Johnson &Johnson" (Johnson & Johnson):
- "Acuvue Oasys rau Astigmatism" (Acuvue Oasys rau Astigmatism);
- "1 Hnub Acuvue Moist rau Astigmatism";
- "Acuvue Ua Ntej rau Astigmatism".
2. "Cooper Vision" (CooperVision):
- "Biofinity Toric" (Biofinity Toric);
- "Biomedics Toric" (Biomedics Toric);
- "Proclear Toric" (Proclear Toric);
- "Avaira Toric" (Avaira Toric);
- "Frequency 55 Toric XR" (Frequency 55 Toric XR);
- "Proclear Toric XR" (Proclear Toric XR);
- "Vertex Toric" (Vertex Toric);
- "UltraFlex Toric" (UltraFlex Toric);
- "Preference Toric" (Preference Toric);
- "Vertex Toric XR" (Vertex Toric XR);
- "Clarity 1day toric" (Clariti 1day toric);
- "Clea Site Ib Hnub Toric" (ClearSight 1 Day Toric).
3. "Alcon" (Alcon):
- "Air Optix rau Astigmatism" (Air Optix rau Astigmatism);
- "Daily Aqua Comfort Plus Toric" (Daily AquaComfort Plus Toric);
- "Focus Dailies toric"(Focus Dailies Toric).
4. "Bausch thiab Lomb" (Bausch & Lomb):
- "Lim mos rau astigmatism" (SofLens Rau Astigmatism);
- "Pure Vision Toric" (PureVision Toric);
- "Pure Vision 2 rau Astigmatism" (PureVision 2 rau Astigmatism);
- "Soft Lens Daily Disposable for Astigmatism" (SofLens Daily Disposable for Astigmatism);
- "Optima Toric" (Optima Toric).
5. "X-Cel" (X-Cel):
- "Extreme Ashdvao 54%" (Extreme H2O 54%);
- "Extreme Ashdvao 54% Toric MC" (Extreme H2O 54% Toric MC).
tsom iav txhua hnub thiab txhua hnub
Txhua hnub toric lo ntsiab muag yog qhov kev xaiv pheej yig tshaj. Lawv yuav tsum tau muab tshem tawm txhua hnub thaum hmo ntuj thiab txo qis rau hauv lub thawv nrog cov tshuaj tshwj xeeb uas lawv yuav muab tshuaj tua kab mob. Koj kuj yuav tsum tau ua raws li lub sijhawm teem sijhawm hloov pauv. Lub sij hawm hnav txawv ntawm hom thiab hom, txij li ob lub lis piam mus rau peb lub hlis.
Cov lo ntsiab muag pov tseg toric hloov pauv txhua hnub. Lawv raug nqi ntau dua, vim tias koj pheej xav tau ib khub tshiab. Tab sis cov lo ntsiab muag no yog qhov zoo vim tias lawv tsis khaws cov khoom siv roj ntsha thiab tsis tas yuav tsum tau tshuaj tua kab mob.
Soft thiab tawv lo ntsiab muag
Rigid toric contact lenses tseem hu ua gas permeable. Qhov no yog vim lub fact tias lawv yog tsim los ntawm tshwj xeeb polymers uas muaj siab oxygen conductivity.
Qhov kom zoo duayog tias lawv tuav lawv cov duab zoo heev ntawm qhov muag. Qee zaum cov kws kho mob qhia kom hnav cov lo ntsiab muag thaum hmo ntuj thiab tshem lawv thaum sawv ntxov. Thaum lub sij hawm no, lawv ua rau ntawm lub cornea kom nws ua me ntsis tiaj tus. Yog li ntawd, qhov curvature nyob ib puag ncig nce thiab pom kev pom tseeb dua. Cov nyhuv no kav ntev mus ib hnub.
Soft toric contact lenses yog qhov tshiab ntawm kev ua lag luam. Lawv kuj yog cov roj-permeable, zoo li nruj, tab sis txawv ntawm lawv cov qauv. Cov lo ntsiab muag muag yog ib zaj duab xis nyias nrog ib phab ntsa raws nraim li cov duab ntawm lub cornea.
Lawv haum rau hnav txhua hnub, tab sis xav tau kev tu thiab moisturizing tas li. Lub ntsiab kom zoo dua ntawm cov lo ntsiab muag muag tshaj lub lo ntsiab muag tawv yog qhov tsis muaj lub sijhawm ntawm kev quav tshuaj thiab kev hloov pauv.
Kho lo ntsiab muag
Puas muaj toric xim lo ntsiab muag? Cov lus teb yog yog, muaj. Tsuas yog tsis yog txhua hom muaj ntau xim palette. Yog li, piv txwv li, qee qhov niaj hnub toric xim lo ntsiab muag muaj nyob hauv ib qho ntxoov ntxoo, thiab hnav ntev rau lwm tus.
Tam sim no muaj cov xim xim tshiab ntawm Kaus Lim Kauslim thiab Suav tsim tawm ntawm lub khw. Lawv muaj ntau yam tsis zoo rau cov toric tshwj xeeb, tab sis lawv muaj palette dav. Cov lo ntsiab muag no tsuas yog haum rau hnav luv luv (tsis pub ntau tshaj rau rau yim teev).
Toric contact lenses selection
Kev xaiv ntawm ib lub lens yog nyob ntawm tus kheej xav tau thiab pom kev. Nws yog tib txoj caikuj siv tau rau toric lo ntsiab muag.
Cov ntsiab lus tseem ceeb:
- Koj puas yuav pw hauv lo ntsiab muag?
- Koj puas xav tau lo ntsiab muag rau txhua hnub lossis qee zaus hnav?
- Koj txoj kev ua neej yog dab tsi?
- Koj hnub nyoog.
Yog tias koj tuaj yeem teb cov lus nug no ntawm koj tus kheej, yog li kom lub lens tsis ua rau tsis xis nyob thiab nce qib ntawm kev pom, nws yuav tsum tau ua ntau yam kev ntsuam xyuas nrog tus kws kho qhov muag. Qhov no yog qhov teeb meem tseem ceeb hauv kev hnav toric lo ntsiab muag. Raws li txoj cai, ophthalmologists ntsuas tag nrho cov ntaub ntawv siv cov cuab yeej siv computer niaj hnub:
- refractions (visual acuity);
- cornea tej yam kev mob;
- degrees deviation of the meridian.
Qee zaum, cov kws kho mob muab cov neeg mob sim ua cov lo ntsiab muag toric.
Tom qab koj tus kws kho qhov muag tau sau ntawv rau koj, koj tuaj yeem yuav cov iav tiv thaiv koj tus kheej ib ntus (hauv cov kws kho qhov muag lossis cov khw muag khoom online). Tab sis tom qab qee lub sijhawm, koj yuav tau hu rau tus kws kho mob dua. Tej zaum koj yuav tau kho cov ntaub ntawv.
Tus nqi lo ntsiab muag
Tus nqi rau ib kab ntawm cov lo ntsiab muag toric yog siab dua rau cov kab uas yooj yim. Qhov no yog vim lawv qhov tshwj xeeb.
Tsis tas li, cov lo ntsiab muag no kim dua li tsom iav tshwj xeeb. Tab sis tus nqi siab yog tsim nyog los ntawm qhov zoo xws li kev pom kev pom kev siab thiab yooj yim.
Raws li tus nqi hauv kab, tus nqi ntawm silicone-hydrogel yuav siab me ntsis dua hydrogel.
Toric contact lenses tshuaj xyuas
Highlights uas cov neeg uas hnav toric lo ntsiab muag ceeb toom:
- Rau cov neeg tsis haum tshuaj thiab cov neeg muaj qhov muag tsis pom kev, cov tshuaj tiv thaiv pov tseg yog qhov kev xaiv zoo tshaj plaws.
- Toric lo ntsiab muag muaj qhov zoo dua li tsom iav. Daim duab no pom meej dua thiab tsis muaj qhov txwv tsis pub saib.
- Cov lo ntsiab muag tawv tau kho zoo dua thiab khaws lawv cov duab, tab sis thaum muaj plua plav lossis mote nkag mus rau hauv lub qhov muag, muaj qhov tsis xis nyob heev.
- Soft toric lo ntsiab muag zoo dua thiab xis dua, tab sis lawv tsis pom qhov pom tseeb.
- Koj yuav tsum muaj cov dej noo noo nrog koj ib txwm. Thaum lub lens dries tawm, tsis xis nyob tshwm sim nyob rau hauv lub qhov muag thiab pom acuity txo.
- Lens yog qhov hnav zoo dua li tsom iav.
- Kom yooj yim, nws yog qhov zoo dua kom muaj ntau hom lo ntsiab muag. Piv txwv li, hnav ib hnub thiab mus sij hawm ntev.
- Qhov pom kev phem dua, lub lens tuab dua. Hais txog qhov no, feem ntau tsis xis nyob.
- Tom qab hnav cov lo ntsiab muag ntev ntev, corneal astigmatism tau kho me ntsis.
- Toric lo ntsiab muag haum txawm rau cov menyuam yaus uas feem ntau tsis nyiam hnav tsom iav.
- Tsis muaj kev hloov pauv txoj kev ua neej nrog cov lo ntsiab muag toric. Piv txwv li, txhua tus tuaj yeem ua si kis las.
Nws tsim nyog nco ntsoov tias txhua qhov kev tshuaj xyuas tsuas yog ua raws li tus kheej txoj kev xav ntawm cov neeg mob. Yog li ntawd, nws yog tsis yooj yim sua rau critically tune nyob rau hauv tej yam tshwj xeebtoric lo ntsiab muag. Tej zaum koj yuav nyiam qhov zoo uas ua rau lwm tus chim thiab tsis xis nyob.
