Product Description Convenient two-sided pupil gauge that can be used on both the upper and lower eyelids. Easy to measure because the numerical values on the pupil gauge are oriented differently on the front and back! Water-repellent, making it convenient to carry! ● Front: 3-3-9 degree method (JCS) ● Back: Glasgow Coma Scale Pupil gauge supports 1.5-7.0mmφ! Usable on both sides and easy to carry. 【Anfamie Original】【Made in Japan】 【Product Details】 ● Material / PET ● Size / 135 x 47mm ● Made in Japan Nurse Stethoscope Ruler Scale Pupil Gauge