The caloclear optical lens cleaning spray from calotherm is a top quality multi purpose lens cleaner suitable for all ophthalmic lenses especially suitable for multi anti reflection coated spectacle camera optical instrument lenses the product takes a dirt and smears from lens whether glasses or electronics and turn them into something marvellously clean and brilliantly shiny to behold it provides an anti static and anti mist guard whilst thoroughly removing dirt and smearsthe handy 100m