Photochromic ski goggles and polarized goggles serve different purposes. Photochromic goggles feature lenses that automatically adjust their tint based on the amount of UV light, providing optimal visibility in changing light conditions. On the other hand, polarized goggles have lenses designed to reduce glare from reflective surfaces like snow or water by filtering out horizontal light waves. So, to sum it all up, photochromic lenses adapt to light intensity, while polarized lenses improve contrast and reduce glare.