TMI-90 HERTEL EXOPHTHALMOMETER
|How to use|
|This instrument consists of a horizontal calibrated bar with movable
carriers at each side. Each carrier consists of mirros inclined at 45
degrees to reflect both the scale reading and the apex of the cornea in
profile. Notches on the side carriers are placed on the bony lateral
orbital margins of the patient. The patient is then asked to fixated
on a point on the examiner's forehead. The apex of the cornea of each
eye is superimposed on the millimeter scale reading by inclined mirrors.
The measurement of each eye is recorded by the examiner, alternately viewing
with the right and left eye. The distance along the horizontal bar is also
recorded as the base so that the carriers will be set at the same base at
subsequent readings for comparison of the forward protrusion of each eye in
relation to the bony orbit.
|DIMENSION||F245(W)X 85(D) X 20(H)mm|