First impressions are very good, the lenses are super clear and sharp, the polarization really helps with seeing long distances and in bright sunshine and glare on the water. The prescription is perfect and they look great. To be honest with you, when I first started wearing Kaenon 20 years ago, I thought their lenses were streets ahead of anything else available, and they always were, but these ones from Tajima have surpassed that in terms of clarity and polarization. I will definitely be recommending these to all the athletes and coaches that I work with!