Ntau tus neeg siv cov lo ntsiab muag ntau tau ntsib teeb meem xws li tshem tawm. Rau qhov no, lub khob nqus dej rau lo ntsiab muag tau tsim, uas nws yooj yim dua kom tshem tawm lawv. Cov cuab yeej no kuj pab muab lo ntsiab muag.
txiaj ntsig
Qhov tshwj xeeb ruber no muaj ntau yam zoo, ib qho yooj yim. Cov khoom siv polymer txuas nrog lub khob nqus dej thaum siv. Lub khob nqus dej rau cov lo ntsiab muag muaj lwm yam zoo, uas yog:
- reliability;
- kev ruaj ntseg;
- kev.
Tom qab lub lo ntsiab muag tau muab tso nrog lub rub, nws yuav tsis txav los yog poob. Thaum cov lo ntsiab muag tau muab tso rau yam tsis muaj kev tshem tawm, lub siab ntawm lub cornea nce. Nquag rub ntawm daim tawv muag ua rau poob ntawm elasticity. Nyob rau hauv cov ntaub ntawv ntawm ib tug suction khob, lawv tsis tas yuav stretched. Vim tias lub ruber tsis nyem lub lens, nws tsis tuaj yeem puas.
Cov lus qhia rau kev siv
Raws li cov lus qhia, nws yog qhov tsim nyognqa lub nqus rau lo ntsiab muag, nyem qhov qis ntawm tus kov, uas yog hu ua pneumatic qhov muag teev. Tom qab ntawd, txuas mus rau sab convex ntawm lub lens, loosening lub pneumatic noob, qhov kawg ntawm lub khob nqus. Yuav muaj qhov ntim sab hauv thiab vim li ntawd cov khoom yuav lo.
Tom qab ntawd koj yuav tsum nqa lub khob nqus dej rau lub qhov muag, kom paub tseeb tias nws nyob hauv qhov tseeb, nias rau ntawm lub qhov muag. Nyem lub pneumobulb, lub siab yuav nce thiab thawb lub lens tawm, nias nws tawm tsam qhov muag. Yuav kom nws sawv ntsug kom raug, koj yuav tsum ntswj lub qhov muag.
Kev tshem tawm Technology
Ntau tus neeg siv tsis paub yuav ua li cas tshem cov lo ntsiab muag nrog lub khob nqus dej. Ua ntej koj yuav tsum tau drip tshwj xeeb moisturizing tee rau hauv koj lub qhov muag thiab xyuas kom meej tias cov khoom tau dhau los ua mobile. Yog hais tias lub lens sticks, nws yog ib qho tsim nyog yuav tau rov qab, ntsais muag thiab maj mam zaws daim tawv muag. Cov txheej txheem zoo li no yuav tsum pab. Tom qab ntawd, nqa lub khob nqus dej kom tshem cov lo ntsiab muag nrog ob tus ntiv tes, rub daim tawv muag qis thiab sab sauv nrog koj txhais tes dawb, coj mus rau lub qhov muag, nyem lub ntsws thiab maj mam nias nws tawm tsam lub cornea. Nws yuav tsum nco ntsoov tias cov cuab yeej yuav tsum tau nqa tsuas yog ntawm lub kaum sab xis. Tom qab ntawd, lub pear yuav tsum tau loosened kom lub siab txo, thiab rub tawm ntawm koj. Qhov no ua tiav cov txheej txheem.
ntawv tseem ceeb
Lub khob nqus dej lo ntsiab muag kuj muaj qhov tsis zoo. Nws yuav tsum raug sau tseg tias txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau nws nws nws yuav tsum tau tshem tawm cov khoom zoo, txoj kab uas hla ntawm tus rub yuav tsum nyob ze li qhov ua tau rau txoj kab uas hla ntawm lub lens nws tus kheej. Nws kuj tseem raug sau tseg tias ib tus neeg yuav tsum qhib nws lub qhov muag dav dav thiaj li yuav ntxig lub khob nqus. Tab sis tseem nws yog qhov yooj yim dua li nce tojhauv lawv nrog koj cov ntiv tes. Nws yog qhov yooj yim tshaj plaws los siv lub ruber thaum saib hauv qab. Nws yog qhov zoo tshaj los ua cov txheej txheem no thaum sawv ntawm daim iav.
Caus lo lo ntsiab muag
Yog tias koj ua txhaum txoj cai ntawm kev ua haujlwm thiab kev saib xyuas lub lens, nws yuav lo thiab tsis raug tshem tawm. Qhov laj thawj tseem ceeb ntawm kev nplaum yog:
- Ntau dhau dryness ntawm mucosa. Nyob rau hauv rooj plaub no, qib ntawm adhesion rau saum npoo nce, lub lens nres txav.
- Txoj haujlwm tsis raug. Cov khoom, tau hloov mus, sticks nyob rau hauv lub ces kaum.
- thim tsis tau sijhawm. Raws li qhov tshwm sim, cov txheej ntub dej nyias nyias, cov protein deposits sau thiab pib ua zoo li cement.
Soft lens tsis tshem tau
Yog tias lub lens mos nyob hauv nruab nrab, nws tuaj yeem raug tshem tawm nrog lub rub tawm. Ua li no, moisten lub mucous daim nyias nyias los ntawm tso ob peb tee ntawm "cov kua muag dag" rau hauv lub qhov muag. Ua lub teeb ncig zaws taw ntawm lub qhov muag los ntawm daim tawv muag. Thiab ces ua hauj lwm nrog ib tug sucker.
Yog tias cov kev hloov pauv no tsis pab, koj yuav tsum hu rau tus kws tshaj lij. Nws yog ib qho tseem ceeb kom paub tias koj yuav tsum mus ntsib kws kho mob tam sim yog tias lub lens daig ua rau:
- khaus liab;
- ntse mob;
- tawm ntawm qhov muag.
Hard lens tsis tshem tau
Thaum lub lens tawv nyob hauv nruab nrab, nws raug tshem tawm nrog lub rub tawm. Yog tias nws tsis nyob hauv nws qhov chaw, nws yog ib qho tsim nyog yuav tsum kaw daim tawv muag thiab sim rov qab mus rau qhov chaw, ua haujlwm ncig nrog lub qhov muag. Yog tias tom qab ntawd koj tshem nwstsis ua haujlwm, koj yuav tsum hu rau tus kws kho mob tshwj xeeb. Koj tsis tuaj yeem txav lub lens nrog txhua yam khoom thiab tes, koj tuaj yeem ua rau cov mucous puas.
Zoo kawg
Tus kws kho mob tuaj yeem pom zoo kom lub khob nqus dej kom yooj yim rub tawm qhov kho qhov muag. Qee cov tuam ntxhab twb suav nrog tshwj xeeb rubers nrog lo ntsiab muag. Nws yuav tsum tau nco ntsoov tias nws yog ib qho tseem ceeb heev uas yuav tsum tau ntxuav koj txhais tes kom huv si nrog xab npum thiab dej ua ntej tshem cov lo ntsiab muag. Qhuav lawv kom qhuav, dej yuav tsum tsis txhob nkag rau ntawm lo ntsiab muag. Ua tsaug rau cov rub tawm, cov txheej txheem ntawm kev tshem tawm thiab ntxig lo ntsiab muag tau yooj yim dua, thiab dhau sijhawm, nrawm dua.
