Overall length: 122.5mm, Handle diameter: 13.7mm, Tip orifice diameter: 4mm. Pump chamber is filled with alcohol by removing the end cap. Depressing the button on the pump dispenses a pre-measured amount of alcohol into the OZ chamber. Optical zone chamber features cross hairs for centering on the cornea and the sharp edge delineates the epithelium. This provides an excellent starting point for lifting the edge of the epithelial flap.
