Qauv | Blue Block HMC Single Vision Lenses | Hom | Zoo tagnrho |
Index | 1.499/1.56/1.60/1.67 | Code | HMC Single Vision Lenses |
Txoj kab uas hla | 55/60/65/70/75 hli | Monomer | CR-39/MR-8/NK-55 |
Abbe nqi | 58 | Specific Gravity | 1.23/1.30 Nws |
Kev sib kis | 98% | Hwj chim | PIB: 0.00-6.00 CYL: 0.00-2.00 Nws |
Kev faib tawm ntawm lub teeb xiav: lub teeb xiav muaj txiaj ntsig thiab teeb meem xiav teeb.
Lub teeb xiav ntuj (lub teeb xiav zoo): Lub teeb xiav hauv lub hnub pab tib neeg ua haujlwm thiab so tsis tu ncua, txhim kho kev nco, kev paub, thiab ua kom lub siab zoo.
Artificial xiav lub teeb (teeb meem xiav lub teeb): hluav taws xob xiav lub teeb thiab hmo ntuj xiav lub teeb, txo melatonin secretion (melatonin nyhuv: ncua kev laus, tua qog, txhim kho pw tsaug zog, tswj kev tiv thaiv), cuam tshuam cov tshuaj hormone secretion, circadian atherosclerosis imbalance.
Lub teeb xiav yog qhov zais siab heev thiab tsis yooj yim kom pom. Piv txwv li, nyob rau hauv lub neej zoo tib yam, txawm hais tias qhov kev siv ntawm xiav lub teeb hluav taws xob ntawm cov ntxaij vab tshaus hluav taws xob tsis loj, lawv feem ntau tshwm sim thaum hmo ntuj, thaum cov menyuam kawm ntawv ntawm tib neeg lub qhov muag yuav nthuav dav, thiab nws yuav ua rau muaj kev phom sij yog tias koj ua haujlwm rau ntau tus. xyoo.
Ntau yam uas tib neeg tuaj ntsib txhua hnub muaj lub teeb xiav: xws li ntau lub teeb txuag hluav taws xob, LED teeb, teeb incandescent, ntau lub foob pob da dej, teeb fluorescent; Cov khoom siv hluav taws xob tshiab xws li cov duab vaj huam sib luag tiaj tus, cov kua siv lead ua kua, thiab cov xov tooj ntawm tes.
Artificial xiav lub teeb tuaj yeem ua rau video terminal syndrome: qhov muag qaug zog, qhov muag plooj, qhov muag qhuav, mob taub hau, thiab lwm yam, uas tuaj yeem ua rau muaj kev puas tsuaj mus tas li rau qhov muag lossis txawm tias qhov muag tsis pom kev, muaj hnub nyoog ntsig txog macular degeneration, ua rau tsis pom kev, lub teeb xiav tuaj yeem. ncav cuag peb cov nyiaj ncaj qha, ua phem rau peb qhov muag kev noj qab haus huv.
1. Txo lub teeb xiav xaim thiab photophobia, txo qhov muag nkees.
2. Siab tiv thaiv UV
3. Lub lens tsim nrog kev kho hydrophobic: los tiv thaiv khawb, qhov pom tseeb dua, kev tu ncua ntev thiab kev tiv thaiv ntau dua.