LY-9F PUPILLARY DISTANCE THIAB HEIGHT Tester
Qhov ntsuas qhov deb thiab qhov siab no yog ua los ntawm cov khoom zoo ABS uas tuaj yeem tiv taus ntau yam sab nraud. Nws yog compact thiab portable, ua rau nws yooj yim mus siv nyob rau hauv ntau qhov chaw. Cov cuab yeej ua haujlwm los ntawm kev ntsuas qhov siab thiab qhov deb ntawm cov tub ntxhais kawm, muab cov txiaj ntsig raug sai thiab ua tau zoo.
Cov menyuam kawm ntawv qhov siab, los yog qhov siab ntawm cov menyuam kawm ntawv, yog qhov kev ncua deb ntawm lub qhov muag axis ntawm lub qhov muag los ntawm lub lens mus rau qhov qis tshaj plaws nyob rau hauv qab ntawm lub qis ntug ntawm tus ncej.
Cov tub ntxhais kawm qhov siab tuaj yeem muab faib ua qhov deb ntawm cov tub kawm ntawv qhov siab thiab nyob ze ntawm qhov siab ntawm cov tub kawm ntawv. Thaum tsis muaj qhov tshwj xeeb yuav tsum tau, cov tub ntxhais kawm qhov siab ntawm cov tsom iav nyob deb feem ntau yog nyob ntawm kab kab rov tav ntawm qhov chaw geometric ntawm tus ncej. Cov tub ntxhais kawm qhov siab ntawm cov tsom iav uas nyob ze tuaj yeem yog me ntsis ntawm lossis me ntsis hauv qab kab kab rov tav ntawm qhov chaw geometric ntawm tus ncej. Txawm li cas los xij, thaum npaj cov iav multifocal, muaj cov kev cai nruj rau cov tub ntxhais kawm qhov siab, yuav tsum tau ceev faj thiab rov ntsuas dua.
Cov kauj ruam tseem ceeb:
1. Clip no tester rau ntawm tus ncej thiab taw rau qhov chaw nruab nrab ntawm qhov chaw nruab nrab ntawm tus choj.
2. Kho cov khoom ntsuas uas siv cov pob qhov rooj ntawm ob sab. Lub pob qhov rooj sab saud yog kho cov menyuam kawm ntawv nyob deb, thiab qhov qis dua yog kho cov menyuam kawm ntawv qhov siab.
3. Thaum lub ntug sab sauv ntawm cov khoom ntsuas sib haum nrog cov tub ntxhais kawm qhov chaw, koj tuaj yeem nyeem cov tub ntxhais kawm qhov siab ntawm qhov qis ntawm tus ncej.
Cim npe nrov: Pupillary nrug thiab qhov siab tester, Tuam Tshoj Pupillary nrug thiab qhov siab tester lwm tus neeg, Hoobkas
Specifications:
1. PD ntau: 40-80mm
2. PH ntau: 8-34mm
3. Nyhav: 0.2 kg
4. Ntim loj: 23 (L) x 10.5 (W) x 5 (H) cm







