So I just had to have glasses without thinking a radical change, but infact no! I see much better small writing in white background, a light very friendly zoom (That's what must have 10/10 (Otherwise risk of damaging your eyes) to view the official website if it is possible to have special according to your prescription), and especially we do not feel them (with which no helmet (after all depends on model)). So I am extremely delighted with my purchase and I do not regret, and I recommend them (Especially with the price that Amazon offers.