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1.71 I-Blue Cut Spin Photochromic Gray HMC Optical lens
Izinga le-substrate linquma ukuqina kwelensi kanye nokuthembeka kokumbozwa. I-substrate enhle ecacile futhi ekhanyayo, isikhathi eside sokusebenzisa futhi akulula ukuphuzi; Futhi amanye ama-lens awasebenzisi isikhathi eside kumbala ophuzi, noma ngisho nokuvala. Ilensi enhle ngaphandle kokuklwebheka, imihuzuko, indawo enoboya, i-pitting, i-lens oblique ukuhlangabezana nokubhekwa kokukhanya, isiphetho siphezulu kakhulu. Alikho ibala, itshe, umugqa, ibhamuza, ukuqhekeka ngaphakathi kwelensi, nokukhanya kuyakhanya.
Uma iphezulu inkomba ye-refractive, i-lens iba mncane, futhi intengo iphezulu.
