What has one eye always open? Asked by Jovanni Navarro Answer to I Always has One Eye Open. What am I? Riddle. The answer to this riddle is Needle. Andrew Henderson, BA Contributor 4.4/519 ratings Rate this answer Leave your comment You may be interested inHas one eye but can't see? The needle has an opening at one end which is the eye of it. Despite that eye, the needle cannot see. Therefore, What has one eye but cannot see answer is a needle.What has a single eye? The answer to this riddle is a needle. A needle has a single eye in which a tailor enters the thread. Also, it cannot see for two reasons.Have an eye but Cannot see I am fast but I have no limbs… Answer to this riddle is a hurricane.