Category: O

  • Operating microscope

    A special microscope with two eyepieces and a light, used in very delicate surgery. Binocular microscope used in surgery to enable the surgeon to view clearly small and inaccessible parts of the body (e.g., parts of the eye or ear). A binocular microscope used in surgery, e.g. in operations to remove a blood clot from…

  • Operating department assistant

    A person who works in an operating department.  

  • Operating department

    A hospital department specialising in surgical operations.  

  • Operate

    To function or work, or to make something function or work. To treat a person for a condition by cutting open the body and removing a part which is diseased or repairing a part which is not functioning correctly. To perform a surgical procedure.  

  • Operable

    Referring to a condition which can be treated by a surgical operation. A descriptor used for a condition that is apt for surgical intervention, like a noncancerous tumor that is easily reachable. Describes a situation where surgery presents a viable chance of betterment. In the context of cancer, it suggests that the cancer hasn’t metastasized…

  • Open visiting

    An arrangement in a hospital by which visitors can enter the wards at any time.  

  • Opening

    A place where something opens. The act of making or becoming open.  

  • Open-heart surgery

    Surgery to repair part of the heart or one of the coronary arteries performed while the heart has been bypassed and the blood is circulated by a pump. A procedure in which the heart is operated on after it is exposed through a surgical incision in the chest wall. During the surgery, a heart-lung machine…

  • Open-angle glaucoma

    An unusually high pressure of fluid inside the eyeball caused by a blockage in the channel through which the aqueous humour drains. Another term for chronic simple glaucoma is a slow increase in fluid pressure within the eye.  

  • Opacification

    The fact of becoming opaque, as the lens does in a case of cataract. Clouding of a part or loss of transparency, especially of the cornea or lens of the eye.