Optical lenses
Color contact lenses
Optical frame & optical lens
Semi finished contact lens
Achromatic lens, apochromatic lens
CR39-round-flat-blended-top-bifocal-lenses
Blue Cut Lens
Optical Lens, Photochromic, Progressive, Plastic Single Vision Lens(1.67, 1.61, 1.56, cr, etc)
Optical raw material
Microscope lenses
