Merge pull request #10053 from Ghommie/Ghommie-cit429

Fixes some means of eyes blindness not working, removes legacy code.

code/modules/reagents/chemistry/reagents/alcohol_reagents.dm

@@ -199,17 +199,17 @@ All effects don't start immediately, but rather get worse over time; the rate is
 		to_chat(M, "<span class='notice'>[pick("You have a really bad headache.", "Your eyes hurt.", "You find it hard to stay still.", "You feel your heart practically beating out of your chest.")]</span>")
 
 	if(prob(5) && iscarbon(M))
+		var/obj/item/organ/eyes/eyes = M.getorganslot(ORGAN_SLOT_EYES)
 		if(HAS_TRAIT(M, TRAIT_BLIND))
-			var/obj/item/organ/eyes/eye = M.getorganslot(ORGAN_SLOT_EYES)
-			if(istype(eye))
-				eye.Remove(M)
-				eye.forceMove(get_turf(M))
+			if(eyes)
+				eyes.Remove(M)
+				eyes.forceMove(get_turf(M))
 				to_chat(M, "<span class='userdanger'>You double over in pain as you feel your eyeballs liquify in your head!</span>")
 				M.emote("scream")
 				M.adjustBruteLoss(15)
 		else
 			to_chat(M, "<span class='userdanger'>You scream in terror as you go blind!</span>")
-			M.become_blind(EYE_DAMAGE)
+			eyes?.applyOrganDamage(eyes.maxHealth)
 			M.emote("scream")
 
 	if(prob(3) && iscarbon(M))

code/modules/reagents/chemistry/reagents/medicine_reagents.dm

@@ -793,6 +793,7 @@ datum/reagent/medicine/styptic_powder/overdose_start(mob/living/M)
 	var/obj/item/organ/eyes/eyes = M.getorganslot(ORGAN_SLOT_EYES)
 	if (!eyes)
 		return
+	eyes.applyOrganDamage(-2)
 	if(HAS_TRAIT_FROM(M, TRAIT_BLIND, EYE_DAMAGE))
 		if(prob(20))
 			to_chat(M, "<span class='warning'>Your vision slowly returns...</span>")
@@ -807,8 +808,6 @@ datum/reagent/medicine/styptic_powder/overdose_start(mob/living/M)
 	else if(M.eye_blind || M.eye_blurry)
 		M.set_blindness(0)
 		M.set_blurriness(0)
-	else if(eyes.eye_damage > 0)
-		M.adjust_eye_damage(-1)
 	..()
 
 /datum/reagent/medicine/atropine