Wiktionary
autoscope
n. 1 An optical instrument for examining one's own eye. 2 An electrical instrument for the examination of the larynx and trachea.
Usage examples of "autoscope".
My anticipation renewed as I closed one eye, my face mask and powered autoscope narrowing my field of vision.
The autoscope had logged the sky coordinates, but it had no way of reporting a range.