diff --git a/code/datums/brain_damage/severe.dm b/code/datums/brain_damage/severe.dm
index 2cf49b17548..4874fd3581e 100644
--- a/code/datums/brain_damage/severe.dm
+++ b/code/datums/brain_damage/severe.dm
@@ -165,7 +165,7 @@
stress = max(stress - 4, 0)
/datum/brain_trauma/severe/monophobia/proc/check_alone()
- if(HAS_TRAIT(owner, TRAIT_BLIND))
+ if(owner.is_blind())
return TRUE
for(var/mob/M in oview(owner, 7))
if(!isliving(M)) //ghosts ain't people
diff --git a/code/datums/diseases/advance/symptoms/vision.dm b/code/datums/diseases/advance/symptoms/vision.dm
index 87a784e7ded..079d94b55aa 100644
--- a/code/datums/diseases/advance/symptoms/vision.dm
+++ b/code/datums/diseases/advance/symptoms/vision.dm
@@ -63,7 +63,7 @@ Bonus
M.become_nearsighted(EYE_DAMAGE)
if(prob(eyes.damage - 10 + 1))
if(!remove_eyes)
- if(!HAS_TRAIT(M, TRAIT_BLIND))
+ if(!M.is_blind())
to_chat(M, "You go blind!")
eyes.applyOrganDamage(eyes.maxHealth)
else
diff --git a/code/datums/dna.dm b/code/datums/dna.dm
index 4cd81eaa973..e7b6f40e09a 100644
--- a/code/datums/dna.dm
+++ b/code/datums/dna.dm
@@ -647,7 +647,7 @@
/mob/living/carbon/human/proc/something_horrible_mindmelt()
- if(!HAS_TRAIT(src, TRAIT_BLIND))
+ if(!is_blind())
var/obj/item/organ/eyes/eyes = locate(/obj/item/organ/eyes) in internal_organs
if(!eyes)
return
diff --git a/code/game/objects/items.dm b/code/game/objects/items.dm
index 6eba8746a31..8d0d372274f 100644
--- a/code/game/objects/items.dm
+++ b/code/game/objects/items.dm
@@ -530,7 +530,7 @@ GLOBAL_VAR_INIT(rpg_loot_items, FALSE)
M.adjust_blurriness(15)
if(M.stat != DEAD)
to_chat(M, "Your eyes start to bleed profusely!")
- if(!(HAS_TRAIT(M, TRAIT_BLIND) || HAS_TRAIT(M, TRAIT_NEARSIGHT)))
+ if(!(M.is_blind() || HAS_TRAIT(M, TRAIT_NEARSIGHT)))
to_chat(M, "You become nearsighted!")
M.become_nearsighted(EYE_DAMAGE)
if(prob(50))
diff --git a/code/game/objects/items/devices/flashlight.dm b/code/game/objects/items/devices/flashlight.dm
index 46ccde39c47..89aefd48318 100644
--- a/code/game/objects/items/devices/flashlight.dm
+++ b/code/game/objects/items/devices/flashlight.dm
@@ -86,7 +86,7 @@
else
user.visible_message("[user] directs [src] to [M]'s eyes.", \
"You direct [src] to [M]'s eyes.")
- if(M.stat == DEAD || (HAS_TRAIT(M, TRAIT_BLIND)) || !M.flash_act(visual = 1)) //mob is dead or fully blind
+ if(M.stat == DEAD || (M.is_blind()) || !M.flash_act(visual = 1)) //mob is dead or fully blind
to_chat(user, "[M]'s pupils don't react to the light!")
else if(M.dna && M.dna.check_mutation(XRAY)) //mob has X-ray vision
to_chat(user, "[M]'s pupils give an eerie glow!")
diff --git a/code/game/objects/items/devices/scanners.dm b/code/game/objects/items/devices/scanners.dm
index 848dd12b556..e3881672e6d 100644
--- a/code/game/objects/items/devices/scanners.dm
+++ b/code/game/objects/items/devices/scanners.dm
@@ -256,7 +256,7 @@ GENE SCANNER
message = "\nSubject does not have eyes."
if(istype(eyes))
message = ""
- if(HAS_TRAIT(C, TRAIT_BLIND))
+ if(C.is_blind())
message += "\nSubject is blind."
if(HAS_TRAIT(C, TRAIT_NEARSIGHT))
message += "\nSubject is nearsighted."
diff --git a/code/modules/clothing/glasses/_glasses.dm b/code/modules/clothing/glasses/_glasses.dm
index 6becb3f9abe..b400a1ec154 100644
--- a/code/modules/clothing/glasses/_glasses.dm
+++ b/code/modules/clothing/glasses/_glasses.dm
@@ -46,7 +46,7 @@
if(ishuman(src.loc))
var/mob/living/carbon/human/H = src.loc
var/obj/item/organ/eyes/eyes = H.getorganslot(ORGAN_SLOT_EYES)
- if(!(HAS_TRAIT(H, TRAIT_BLIND)))
+ if(!H.is_blind())
if(H.glasses == src)
to_chat(H, "[src] overloads and blinds you!")
H.flash_act(visual = 1)
diff --git a/code/modules/mob/living/carbon/carbon_defense.dm b/code/modules/mob/living/carbon/carbon_defense.dm
index 5f17532aa62..2d87b2c777b 100644
--- a/code/modules/mob/living/carbon/carbon_defense.dm
+++ b/code/modules/mob/living/carbon/carbon_defense.dm
@@ -342,7 +342,7 @@
become_nearsighted(EYE_DAMAGE)
else if(prob(eyes.damage - 25))
- if(!HAS_TRAIT(src, TRAIT_BLIND))
+ if(!is_blind())
to_chat(src, "You can't see anything!")
eyes.applyOrganDamage(eyes.maxHealth)
diff --git a/code/modules/mob/living/carbon/human/examine.dm b/code/modules/mob/living/carbon/human/examine.dm
index 20f188715b9..7c8c82d91fe 100644
--- a/code/modules/mob/living/carbon/human/examine.dm
+++ b/code/modules/mob/living/carbon/human/examine.dm
@@ -277,7 +277,7 @@
if(mood.sanity <= SANITY_DISTURBED)
msg += "[t_He] seem[p_s()] distressed.\n"
SEND_SIGNAL(user, COMSIG_ADD_MOOD_EVENT, "empath", /datum/mood_event/sad_empath, src)
- if (HAS_TRAIT(src, TRAIT_BLIND))
+ if (is_blind())
msg += "[t_He] appear[p_s()] to be staring off into space.\n"
if (HAS_TRAIT(src, TRAIT_DEAF))
msg += "[t_He] appear[p_s()] to not be responding to noises.\n"
diff --git a/code/modules/mob/living/living_defense.dm b/code/modules/mob/living/living_defense.dm
index a5a5c7be6bd..00b32d97b9e 100644
--- a/code/modules/mob/living/living_defense.dm
+++ b/code/modules/mob/living/living_defense.dm
@@ -402,7 +402,7 @@
/mob/living/proc/flash_act(intensity = 1, override_blindness_check = 0, affect_silicon = 0, visual = 0, type = /obj/screen/fullscreen/flash)
if(HAS_TRAIT(src, TRAIT_NOFLASH))
return FALSE
- if(get_eye_protection() < intensity && (override_blindness_check || !(HAS_TRAIT(src, TRAIT_BLIND))))
+ if(get_eye_protection() < intensity && (override_blindness_check || !is_blind()))
overlay_fullscreen("flash", type)
addtimer(CALLBACK(src, .proc/clear_fullscreen, "flash", 25), 25)
return TRUE
diff --git a/code/modules/reagents/chemistry/reagents/alcohol_reagents.dm b/code/modules/reagents/chemistry/reagents/alcohol_reagents.dm
index 5c0b69b4296..0b93f5f7533 100644
--- a/code/modules/reagents/chemistry/reagents/alcohol_reagents.dm
+++ b/code/modules/reagents/chemistry/reagents/alcohol_reagents.dm
@@ -233,7 +233,7 @@ All effects don't start immediately, but rather get worse over time; the rate is
if(prob(5) && iscarbon(M))
var/obj/item/organ/eyes/eyes = M.getorganslot(ORGAN_SLOT_EYES)
- if(HAS_TRAIT(M, TRAIT_BLIND))
+ if(M.is_blind())
if(istype(eyes))
eyes.Remove(M)
eyes.forceMove(get_turf(M))