human eye etching with captions. cornea, iris and pupil

anatomy books captions caruncula circle closeup conjuctiva cornea design drawing element encyclopedias engraved etching eye eyeball eyebrow eyelash eyesight focus graphic handdrawn healthcare healthy human illustration image iris lacrimal lash lashes lid looking lower macro makeup mascara medicine name oldfashioned open optical orbital outline part parts product pupil purity scleral spectator upper vector view watching woodcut