Nerve damage can contribute to ptosis as well. A common cause of ptosis is Hornerâs syndrome. Hornerâs syndrome is a form of nerve damage that occurs in the face and eyes. Itâs usually the result of an underlying condition. Stroke and other brain injuries, spinal cord injuries, and some forms of lung cancer can cause Hornerâs syndrome and ptosis.
Definition - What does Abstraction mean? Abstraction is the act of representing essential features without including the background details or explanations. In the computer science and software engineering domain, the abstraction principle is used to reduce complexity and allow efficient design and implementation of complex software systems.
At the top of the abstraction ladder are obscure terms and concepts that leave you in a fog; at the bottom is concrete language that people can visualize.You see a promo for a âvirtual knowledge transfer eventâ and then realize itâs a webinar.he abstraction ladder was developed by the late S.I. Hayakawa, a well-known professor of rhetoric at the University of California-Berkeley, a U.S. senator, and the author of the acclaimed book Language in Thought and Action.