The Compendium of Caraka 6.25.22

6.25.22

darśanapraśnasaṃsparśaiḥ parīkṣā trividhā smṛtā/
vayovarṇaśarīrāṇāmindiryāṇāṃ ca darśanāt//

Examination is taught to be threefold: by inspection, interrogation, and touch: / from inspection of age, complexion, body, and sense faculties;