Is it permissible to sell colored contact lenses that are used for vision correction or merely for adornment, taking into consideration the possibility of their use for deception in marriage?

It is permissible to use and sell colored and contact medical lenses for adornment, as long as they do not cause harm, deceive a suitor, or involve beautifying oneself in front of non-mahram men. It is forbidden to sell them to anyone known to be using them for a prohibited purpose.