If somebody pronounces that their prescription Glasses are scratch proof, please do not believe that individual. Classically, this is only a marketing scheme executed by the manufacturer or the retail merchant.
However, plastic lenses that have a tough finish are more resistant to scratches in comparison to regular Glasses. Even So it can never guarantee you a complete scratchproof pair.
You should remember that, this coating would not prevent a deep scratch if the lenses are dropped on a hard surface, but will minimise all the small scratches that can occur in day-to-day handling, keeping your Reading glasses clearer for longer. It all depends upon how carefully you use it.
Regular price of such hard finishing glasses by High Street opticians normally ranges from