An instrument for measuring the degree of protrusion of the eyeball. The distance measured is that from the rim of bone at the outer edge of the eye, forward to the surface of the front of the cornea.
Also known as a proptometer. An instrument used to measure the extent of protrusion of the eyeball a development that occurs in certain disorders such as goitre, tumours, oedema, injuries, orbital inflammation or cavernous venous thrombosis (a blood clot in the cavernous sinus in the base of the skull behind each eye).
A device for measuring the degree of protrusion of the eyeballs.