I have to put <b>on/in</b> contact lenses. <br/><br/>I've heard both used. Which is correct? Thanks!<br/><br/>e.g. <br/><a href='http://www.obrigcontactlenses.com/applylenses.html' target='_blank' rel='nofollow'>http://www.obrigcontactlenses.com/applylenses.html</a>