diff --git a/code/ATMOSPHERICS/components/unary/vent_scrubber.dm b/code/ATMOSPHERICS/components/unary/vent_scrubber.dm
index 9b37207774e..d3b642f649a 100644
--- a/code/ATMOSPHERICS/components/unary/vent_scrubber.dm
+++ b/code/ATMOSPHERICS/components/unary/vent_scrubber.dm
@@ -379,6 +379,7 @@
 					update_icon()
 			else
 				user << "<span class='notice'>The welding tool needs to be on to start this task.</span>"
+			return 1
 		else
 			user << "<span class='notice'>You need more welding fuel to complete this task.</span>"
 			return 1
diff --git a/code/ZAS/Plasma.dm b/code/ZAS/Plasma.dm
index c67c5b47bcd..6ff169ae97d 100644
--- a/code/ZAS/Plasma.dm
+++ b/code/ZAS/Plasma.dm
@@ -89,7 +89,7 @@ obj/var/contaminated = 0
 		if(vsc.plc.SKIN_BURNS)
 			if(!pl_head_protected() || !pl_suit_protected())
 				burn_skin(0.75)
-				if(prob(20)) src << "\red Your skin burns!"
+				if(prob(20)) src << "<span class='danger'>Your skin burns!</span>"
 				updatehealth()
 
 		//Burn eyes if exposed.
@@ -119,19 +119,23 @@ obj/var/contaminated = 0
 		if(vsc.plc.GENETIC_CORRUPTION)
 			if(rand(1,10000) < vsc.plc.GENETIC_CORRUPTION)
 				randmutb(src)
-				src << "\red High levels of toxins cause you to spontaneously mutate."
+				src << "<span class='danger'>High levels of toxins cause you to spontaneously mutate.</span>"
 				domutcheck(src,null)
 
 
 /mob/living/carbon/human/proc/burn_eyes()
 	//The proc that handles eye burning.
-	if(prob(20)) src << "\red Your eyes burn!"
+	if(!species.has_organ["eyes"])
+		return
+
 	var/obj/item/organ/eyes/E = internal_organs_by_name["eyes"]
-	E.damage += 2.5
-	eye_blurry = min(eye_blurry+1.5,50)
-	if (prob(max(0,E.damage - 15) + 1) && !eye_blind)
-		src << "\red You are blinded!"
-		eye_blind += 20
+	if(E && !(E.status & ORGAN_ROBOT))
+		if(prob(20)) src << "<span class='danger'>Your eyes burn!</span>"
+		E.damage += 2.5
+		eye_blurry = min(eye_blurry+1.5,50)
+		if (prob(max(0,E.damage - 15) + 1) && !eye_blind)
+			src << "<span class='danger'>You are blinded!</span>"
+			eye_blind += 20
 
 /mob/living/carbon/human/proc/pl_head_protected()
 	//Checks if the head is adequately sealed.
diff --git a/code/game/objects/items/weapons/grenades/flashbang.dm b/code/game/objects/items/weapons/grenades/flashbang.dm
index fbe12bd5342..c8dc3883819 100644
--- a/code/game/objects/items/weapons/grenades/flashbang.dm
+++ b/code/game/objects/items/weapons/grenades/flashbang.dm
@@ -44,8 +44,11 @@
 		if (E) E.damage += rand(1, 3)
 		M.Stun(max(10/distance, 3))
 		M.Weaken(max(10/distance, 3))
-		if (E && E.damage >= E.min_bruised_damage)
-			M << "<span class='warning'>Your eyes start to burn badly!</span>"
+		if (istype(E) && E.damage >= E.min_bruised_damage)
+			if(!(E.status & ORGAN_ROBOT))
+				M << "<span class='warning'>Your eyes start to burn badly!</span>"
+			else
+				M << "<span class='warning'>The flash blinds you!</span>"
 			if(!banglet && !(istype(src , /obj/item/weapon/grenade/flashbang/clusterbang)))
 				if (E.damage >= E.min_broken_damage)
 					M << "<span class='warning'>You can't see anything!</span>"
diff --git a/code/game/objects/items/weapons/tools.dm b/code/game/objects/items/weapons/tools.dm
index b94337a118c..79f94596a76 100644
--- a/code/game/objects/items/weapons/tools.dm
+++ b/code/game/objects/items/weapons/tools.dm
@@ -368,36 +368,36 @@
 /obj/item/weapon/weldingtool/proc/eyecheck(mob/user as mob)
 	if(!iscarbon(user))	return 1
 	var/safety = user:eyecheck()
-	if(istype(user, /mob/living/carbon/human))
+	if(ishuman(user))
 		var/mob/living/carbon/human/H = user
 		var/obj/item/organ/eyes/E = H.internal_organs_by_name["eyes"]
-		if(!E) // No eyes? No problem!
+		if(!istype(E) || (E.status & ORGAN_ROBOT)) // No eyes or robotic eyes? No problem!
 			return
 		switch(safety)
 			if(1)
-				usr << "\red Your eyes sting a little."
+				usr << "<span class='danger'>Your eyes sting a little.</span>"
 				E.damage += rand(1, 2)
 				if(E.damage > 12)
 					user.eye_blurry += rand(3,6)
 			if(0)
-				usr << "\red Your eyes burn."
+				usr << "<span class='danger'>Your eyes burn.</span>"
 				E.damage += rand(2, 4)
 				if(E.damage > 10)
 					E.damage += rand(4,10)
 			if(-1)
-				usr << "\red Your thermals intensify the welder's glow. Your eyes itch and burn severely."
+				usr << "<span class='danger'>Your thermals intensify the welder's glow. Your eyes itch and burn severely.</span>"
 				user.eye_blurry += rand(12,20)
 				E.damage += rand(12, 16)
 		if(safety<2)
 
 			if(E.damage > 10)
-				user << "\red Your eyes are really starting to hurt. This can't be good for you!"
+				user << "<span class='danger'>Your eyes are really starting to hurt. This can't be good for you!</span>"
 
 			if (E.damage >= E.min_broken_damage)
-				user << "\red You go blind!"
+				user << "<span class='danger'>You go blind!</span>"
 				user.sdisabilities |= BLIND
 			else if (E.damage >= E.min_bruised_damage)
-				user << "\red You go blind!"
+				user << "<span class='danger'>You go blind!</span>"
 				user.eye_blind = 5
 				user.eye_blurry = 5
 				user.disabilities |= NEARSIGHTED
diff --git a/code/modules/power/supermatter/supermatter.dm b/code/modules/power/supermatter/supermatter.dm
index 12dd496303d..2eb9e562a61 100644
--- a/code/modules/power/supermatter/supermatter.dm
+++ b/code/modules/power/supermatter/supermatter.dm
@@ -175,9 +175,16 @@
 
 	env.merge(removed)
 
-	for(var/mob/living/carbon/human/l in view(src, min(7, round(power ** 0.25)))) // If they can see it without mesons on.  Bad on them.
-		if(!istype(l.glasses, /obj/item/clothing/glasses/meson))
-			l.hallucination = max(0, min(200, l.hallucination + power * config_hallucination_power * sqrt( 1 / max(1, get_dist(l, src)) ) ) )
+	for(var/mob/living/carbon/human/l in view(src, min(7, round(sqrt(power/6)))))
+		// If they can see it without mesons on.  Bad on them.
+		if(l.glasses && istype(l.glasses, /obj/item/clothing/glasses/meson))
+			continue
+		// Where we're going, we don't need eyes.
+		// Prosthetic eyes will also protect against this business.
+		var/obj/item/organ/eyes = l.internal_organs_by_name["eyes"]
+		if(!istype(eyes) || (eyes.status & ORGAN_ROBOT))
+			continue
+		l.hallucination = max(0, min(200, l.hallucination + power * config_hallucination_power * sqrt( 1 / max(1,get_dist(l, src)) ) ) )
 
 	for(var/mob/living/l in range(src, round((power / 100) ** 0.25)))
 		var/rads = (power / 10) * sqrt( 1 / max(get_dist(l, src),1) )
diff --git a/code/modules/virus2/effect.dm b/code/modules/virus2/effect.dm
index cf728cd50ed..58f1dd6ddbc 100644
--- a/code/modules/virus2/effect.dm
+++ b/code/modules/virus2/effect.dm
@@ -916,7 +916,10 @@ var/list/compatible_mobs = list(/mob/living/carbon/human)
 /datum/disease2/effect/eyewater
 	name = "Watery Eyes"
 	stage = 1
-	activate(var/mob/living/carbon/mob,var/multiplier)
+	activate(var/mob/living/carbon/human/mob,var/multiplier)
+		var/obj/item/organ/eyes/E = mob.internal_organs_by_name["eyes"]
+		if(!istype(E) || (E.status & ORGAN_ROBOT)) // No eyes or robotic eyes? No problem!
+			return
 		mob << "<span class='warning'>Your eyes sting and water!</span>"
 
 /datum/disease2/effect/wheeze