Blanks for use in the manufacture of lenses; cases adapted for lenses; cases for eyewear; correcting lenses [optics]; eyeglasses; eyewear; glasses for optical use; lens blanks for use in ophthalmic lenses; magnifying glasses; ophthalmic lenses; optical hydrogels being contact lens blanks; optical lenses; polarizing eyeglasses; prescription eyewear; protective eyewear; reading glasses; spectacles [optics]; sunglasses.