Microscopes; Dust protective goggles and masks; Eyeglass lenses; Eyewear retainers; Magnifying glasses; Magnifying glasses that fit on the user's face in the manner of eyeglasses; Magnifying lenses; Nose guards which can be worn by attachment to eyewear such as sunglasses and ski goggles; Optical glasses; Optical readers; Protective industrial visors; Safety goggles