are the high index glass lenses available? I am used to wear the glass lenses, but now, it's difficult to find the optical store sale the glass lenses. it's too terrible...

Yes, high index glass lenses are available now. My colleague just bought a pair of 1.7 glass eyeglasses from the retail store, it is really very expensive. He also want to know if there are any online stores can supply high index glass lenses at cheap prices.