Cov tsom iav qhov muag
Lenses: Lenses yog ib qho tseem ceeb ntawm tsom iav vim lawv yog yam koj pom los ntawm kev txhim kho koj lub zeem muag. Lenses feem ntau yog ua los ntawm yas, siab -index yas, los yog polycarbonate.
Txheej: Txheej xws li tiv thaiv-paj, xiav- thaiv, iav, tint, lossis photochromic tau muab tso rau hauv cov yas los pab txhim kho koj lub zeem muag thiab tiv thaiv koj ob lub qhov muag.
Rims: Cov rims yog ib qho tseem ceeb tshaj plaws ntawm cov tsom iav qhov muag vim tias lawv tuav cov lo ntsiab muag hauv thav duab. Rims tuaj yeem npog tag nrho lub lens lossis ib nrab ntawm lub lens, lossis lub thav duab tuaj yeem yog rimless (tom kawg txhais tau hais tias lub lens choj thiab cov tuam tsev txuas rau lub lens ncaj qha).
Choj: Tus choj yog ib feem ntawm cov iav tsom iav uas hla koj lub qhov ntswg thiab txuas sab xis thiab sab laug rims ua ke. Txij li nws yog ib feem uas tuav cov rims, tus choj nqa feem ntau ntawm cov ncej qhov hnyav. Feem ntau, yog ib nkawm tsom iav tawg, nws nyob ntawm tus choj. Qee lub iav tsom iav muaj qhov saum toj kawg nkaus ntawm tus choj los txhawb nws, tshwj xeeb tshaj yog nrog ib nrab -rim thiab rimless thav ntawv.
