diff --git a/code/datums/diseases/advance/symptoms/vision.dm b/code/datums/diseases/advance/symptoms/vision.dm
index 473fefff86f..b5249e11740 100644
--- a/code/datums/diseases/advance/symptoms/vision.dm
+++ b/code/datums/diseases/advance/symptoms/vision.dm
@@ -28,25 +28,26 @@ Bonus
 /datum/symptom/visionloss/Activate(datum/disease/advance/A)
 	..()
 	if(prob(SYMPTOM_ACTIVATION_PROB))
-		var/mob/living/M = A.affected_mob
+		var/mob/living/carbon/M = A.affected_mob
 		var/obj/item/organ/internal/eyes/eyes = M.get_int_organ(/obj/item/organ/internal/eyes)
+		if(!eyes) //NO EYES, NO PROBLEM! Rip out your eyes today to prevent future blindness!
+			return
 		switch(A.stage)
 			if(1, 2)
 				to_chat(M, "<span class='warning'>Your eyes itch.</span>")
 			if(3, 4)
 				to_chat(M, "<span class='warning'><b>Your eyes burn!</b></span>")
-				M.SetEyeBlurry(20)
+				M.EyeBlurry(20)
 				eyes.take_damage(1)
 			else
 				to_chat(M, "<span class='userdanger'>Your eyes burn horrificly!</span>")
-				M.SetEyeBlurry(30)
+				M.EyeBlurry(30)
 				eyes.take_damage(5)
 				if(eyes.damage >= 10)
 					M.BecomeNearsighted()
 					if(prob(eyes.damage - 10 + 1))
 						if(M.BecomeBlind())
 							to_chat(M, "<span class='userdanger'>You go blind!</span>")
-	return
 
 
 /*