I missed an earlier port.

code/modules/surgery/organs/ears.dm

@@ -6,6 +6,14 @@
 	slot = ORGAN_SLOT_EARS
 	gender = PLURAL
 
+	healing_factor = STANDARD_ORGAN_HEALING
+	decay_factor = STANDARD_ORGAN_DECAY
+
+	low_threshold_passed = "<span class='info'>Your ears begin to resonate with an internal ring sometimes.</span>"
+	now_failing = "<span class='warning'>You are unable to hear at all!</span>"
+	now_fixed = "<span class='info'>Noise slowly begins filling your ears once more.</span>"
+	low_threshold_cleared = "<span class='info'>The ringing in your ears has died down.</span>"
+
 	// `deaf` measures "ticks" of deafness. While > 0, the person is unable
 	// to hear anything.
 	var/deaf = 0