Photochromic lens. We have all kinds of photochromic lens.
1.56 Photochromic lens.
Single vision,
Progressive
Flat top
1.61 photochromic lens
1.61 single vision photochromic
1.61 photochromic progressive lens
1.61 photochromic flat top lens
And other semi finished photochromic lens. Such as semi finished single vision, semi finished progressive lens, semi finished flat top lens.
