Pupils are controlled by the nervous system

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  • เผยแพร่เมื่อ 8 พ.ย. 2024

ความคิดเห็น • 111

  • @gabibotello4795
    @gabibotello4795 ปีที่แล้ว +2

    I've been trying to understand the significance of pupil dilation v constriction in relation to a patient's clinical circumstances forever! Thankyou! very easy to understand with easy explanations and memory tricks

  • @new-knowledge8040
    @new-knowledge8040 4 ปีที่แล้ว +15

    I must have been a walking dead man. Way back when, my pupils used to take up to 2 hours to respond to a change in light intensity. So if I turned off the lights in my apartment, everything would appear to be pitch black for up to 2 hours. Also, my underground parking was not that brightly lit, and so if it was a sunny day, and I then drove into the underground parking, I could not see a damn thing since my pupils had adapted to the extremely sunny day. So I had to sit there and wait until the pupils opened up enough such that I could see suffice enough of the underground parking to now be able to park my car. These are just two examples of the many more. This was a side effect of 8 years of hypoglycemia while having an average glucose level of 3.0 mmol/L. The only thing that the doctors had done for me was put me on a 6 meal a day diet. That was mostly useless. What finally led to a slow 8 year recovery, recovery from eventually being in a horrible semi-coma state, is big enough to write a book about, that being the case if including the overall experience of what it is like to drift away into a nowhere and a no-when, with an IQ level now so low that I could no longer even recognize quantities greater than two. So if you put 3 pills in my hand, I could not even tell you how many pills were there. Often I was living in real-time, since my short term memory often was now not working at all. The list of problems that occurred, seemed endless.

  • @jonathanbabcock9177
    @jonathanbabcock9177 4 ปีที่แล้ว +2

    Nice Paramedic refresher for CN 3-Oculomotor.

  • @chisohlmchukwu8960
    @chisohlmchukwu8960 7 ปีที่แล้ว +34

    lol that was nice and funny ending

    • @md_coelho1499
      @md_coelho1499 4 ปีที่แล้ว +2

      who else stayed tillt he end just bc of this comment?lol

  • @mdjawad8090
    @mdjawad8090 6 ปีที่แล้ว +6

    Nice info and u've great voice..

  • @alphansohall707
    @alphansohall707 3 ปีที่แล้ว +1

    I really appreciate and thank you for your bit of information it was very interesting
    Information is up way up

  • @carsonoakes6892
    @carsonoakes6892 3 ปีที่แล้ว +3

    I made myself smile when I knew it was Cranial Nerve III

  • @clarastifler1375
    @clarastifler1375 ปีที่แล้ว +4

    Very eye opening.

  • @steve19811
    @steve19811 ปีที่แล้ว +1

    People of lower consciousness who cannot use reason have dilated/fight flight pupils. Small/dilated pupils means that person is relaxed, calm and has the ability to reason and be fair/ expanded consciousness.....

  • @ValioMadre7
    @ValioMadre7 3 ปีที่แล้ว +22

    My wife's pupils did not dilate when she saw me, they only dilated when she saw my gardener, so I divorced her. I also fired my gardener.

    • @imsouvikff3537
      @imsouvikff3537 2 ปีที่แล้ว

      😂

    • @KanixTV
      @KanixTV 2 ปีที่แล้ว +1

      Lol that’s because of the light

    • @dawsoncarpenter2206
      @dawsoncarpenter2206 2 ปีที่แล้ว

      Ur joking right

    • @KanixTV
      @KanixTV 2 ปีที่แล้ว

      @@dawsoncarpenter2206 I’m an Optometry so do I look like I’m kidding?

    • @dawsoncarpenter2206
      @dawsoncarpenter2206 2 ปีที่แล้ว +1

      @@KanixTV wasn’t talking to u, you’re not important

  • @candacewagner5435
    @candacewagner5435 3 ปีที่แล้ว +3

    I like the part where you say check their eyes before you send them to the morgue..funny

  • @cristinazavala7000
    @cristinazavala7000 4 ปีที่แล้ว +16

    I never knew why I wasn't able to hit someone in a fight I guess I was too sympathetic to hit him

    • @cristinazavala7000
      @cristinazavala7000 4 ปีที่แล้ว +1

      I wasn't able to respond correctly to my fight or flight responses
      I know also that fear has something to do with dilated pupils

    • @Ray2311us
      @Ray2311us 4 ปีที่แล้ว

      Bingo

    • @Ray2311us
      @Ray2311us 4 ปีที่แล้ว

      More susceptibility towards adaptability

  • @Sho-mh4pe
    @Sho-mh4pe ปีที่แล้ว

    liked the way of discussing funny stuff with that serious face
    thanks doc!!

  • @justinjames8359
    @justinjames8359 4 ปีที่แล้ว +3

    Very helpful and precise, thank you

  • @paulmorales783
    @paulmorales783 3 ปีที่แล้ว +3

    My pupils tend to be always restricted

  • @Stsebastian8900
    @Stsebastian8900 3 ปีที่แล้ว +2

    When i watch tv when i am tiered or play video games, my eyes dilate so big and i feel confused and light headed. What is going on? I feel like im falling asleep when it happens.

  • @caroll9858
    @caroll9858 ปีที่แล้ว +1

    Fit of rage cause pupils to constrict to pinprics size

  • @Rocky-eq3ng
    @Rocky-eq3ng 2 ปีที่แล้ว +2

    I came here for medical knowledge but I left with an added professional dating tip ✌

  • @vt-yp7yq
    @vt-yp7yq 7 ปีที่แล้ว +3

    Interesting information!

  • @andresandres7267
    @andresandres7267 3 ปีที่แล้ว

    Great video, thank you for sharing your knowledge.

  • @myriadpro1641
    @myriadpro1641 ปีที่แล้ว

    i love this guy

  • @rohamnavidi8010
    @rohamnavidi8010 11 หลายเดือนก่อน

    bro how you did not laugh, thanks for your explaining

    • @muhtasimfuad1945
      @muhtasimfuad1945 6 หลายเดือนก่อน

      why are you adressing him as "bro" ?

  • @SonkMc
    @SonkMc 4 ปีที่แล้ว

    Thanks for the advice on flirting!

  • @timebot000
    @timebot000 ปีที่แล้ว +1

    My pupils are lifelong the same, the left a pinhead size, never dialates, and the right one a bit larger, but never changes .
    Chemicles don't dialate them either.
    Recently got a overnight cataract on the pinhead eye, and the docs don't want to do Lazer surgery on it, unless they try something that Might work . So no, not now lol.
    I had corrective surgery at 2 yrs, for a cross eye on the biggerpupil side, but Lord knows what they did to leave the 'good eye,' with a pinhead.
    I get by ok anyhow, but that sudden onset cataract a few years ago, was after I saw something shocking. So..

    • @bojibear7957
      @bojibear7957 9 หลายเดือนก่อน +1

      Were you vaccinated as a child. Seeing this in vaccinated children.

    • @timebot000
      @timebot000 9 หลายเดือนก่อน

      @@bojibear7957 ...are u a doctor of some kind ? Are there studies being done, cuz I need a pupil specialist ☺️

    • @timebot000
      @timebot000 9 หลายเดือนก่อน

      P.s. in my 20s I met my biological mother n she has a similar condition, and so does my son, figure that..

  • @geojor
    @geojor 8 ปีที่แล้ว +4

    thank you for this...

  • @zahrasafi3075
    @zahrasafi3075 4 ปีที่แล้ว +8

    so it is too late to findout ,if my fiance was attracted in first meeting or not😂, but maybe attracted ,so if yes now i just can say his pupil was dilated or sympathetic activity was increased!😜

    • @Ray2311us
      @Ray2311us 4 ปีที่แล้ว +2

      This knowledge is gold

    • @Ray2311us
      @Ray2311us 4 ปีที่แล้ว

      Literally

  • @theadventuringzebra
    @theadventuringzebra ปีที่แล้ว +1

    My nervous system is so confused. So I have chronic miosis (tiny pupils that never dilate in response to darkness, only will dilate with chemical drops). But I have low vagal tone and stuck in sympathetic state. WHY are my pupils small then??? I also have uncontrolled REM like eye movements whenever I relax my eyes.

    • @bojibear7957
      @bojibear7957 9 หลายเดือนก่อน

      Were you vaccinated as a child? Common side effects

  • @s4mm0
    @s4mm0 3 ปีที่แล้ว

    Great explanation; great ending

  • @marylandsworld3428
    @marylandsworld3428 ปีที่แล้ว +1

    I had a loved one that was in a coma the hospital in America seemed to be more concerned with organ donation then reducing the swelling in the brain. Even just using the light from my cell phone shining it in their pupils they would slightly constrict on each side one side slightly less but nonetheless they were not inactive. Yes the pupils were dilated, also not equally on each side but close... but they had movement.
    The hospital not the parents determined they were brain dead and called in on the 3rd day of him being there. They just had them on sedation less then 12hrs prior to the testing so I thought it seemed off. Someone please help me understand what happened, if you know?

    • @SatumainenOlento
      @SatumainenOlento ปีที่แล้ว +2

      They killed him then...didn't they?

    • @bojibear7957
      @bojibear7957 9 หลายเดือนก่อน

      Very common practice in hospitals. The algorithm data base determines if the patient is a probable candidate for organ donation. If patient listed as organ donor they will keep you alive till they can harvest/transport. Lots of $$ in organ transplants.

    • @mysticalearthofferings
      @mysticalearthofferings 5 หลายเดือนก่อน

      ​@bojibear7957 remind me to remove organ donor from my license next go around 🥴

  • @rra3515
    @rra3515 5 ปีที่แล้ว +2

    Thanx doctor 😍

  • @TheCityboysMVP
    @TheCityboysMVP 4 ปีที่แล้ว

    Great video Doc!

  • @rashamohammad2170
    @rashamohammad2170 ปีที่แล้ว

    Liked it :) thanks doctor

  • @cmarshall6468
    @cmarshall6468 4 ปีที่แล้ว

    This is why I wear sunshades lol

  • @jonfrodsham4216
    @jonfrodsham4216 ปีที่แล้ว

    What happens when sleep psychosis, hypothermia, or a UTI delirium happens please?

  • @لِقاء-ف8ك
    @لِقاء-ف8ك 4 ปีที่แล้ว

    Beautiful 💜💜

  • @sajanghorasaini741
    @sajanghorasaini741 4 ปีที่แล้ว +3

    hello doctor john ...is there any treatment for only one pupil expansion and other remain the same?

    • @riasatbinliaquat2799
      @riasatbinliaquat2799 4 ปีที่แล้ว

      Do you have any other problems ? Except of dilation of one of you pupil ??

    • @hazswghti6093
      @hazswghti6093 4 ปีที่แล้ว

      Its simpatactic activity

    • @thewanderingeye7133
      @thewanderingeye7133 2 ปีที่แล้ว

      yes there are topical medications that can temporarily dilate or constrict the pupil that is problematic. You should see your Optometrist, Ophthalmologist or Neurologist for specifics.

    • @timebot000
      @timebot000 ปีที่แล้ว

      @@thewanderingeye7133 ...they tried 3 different drops on my pinhead and none worked . I told em so!
      Feels like fear and stubbornness that will just never dialate again, no matter what!. Perhaps they miswired a few nerves 6 decades ago during the surgery, or implanted a camera in therelol

  • @lonepheasant3489
    @lonepheasant3489 วันที่ผ่านมา

    What if the pupils aren't dilating anymore

  • @ksc9954
    @ksc9954 3 ปีที่แล้ว +2

    My left eye has all of a sudden gone big and my right eye is small... slight blurred vision in left eye .. strange

    • @KanixTV
      @KanixTV 2 ปีที่แล้ว +1

      U have unilateral dilation then

    • @KanixTV
      @KanixTV 2 ปีที่แล้ว

      Cn3 compression

    • @dawsoncarpenter2206
      @dawsoncarpenter2206 2 ปีที่แล้ว

      Doctor now

    • @bojibear7957
      @bojibear7957 9 หลายเดือนก่อน

      Were you vaccinated as child? Common side effect

  • @tennille6165
    @tennille6165 ปีที่แล้ว +1

    My daughter 17 mostly has pupils dilated, no other symptoms totally healthy. For example her class photo, pupils dilated, but there are flashes… strange. Ideas?

    • @bojibear7957
      @bojibear7957 9 หลายเดือนก่อน

      Was she vaccinated as child? Common side effects

    • @tennille6165
      @tennille6165 9 หลายเดือนก่อน

      @@bojibear7957 no she wasnt

  • @bojibear7957
    @bojibear7957 9 หลายเดือนก่อน

    What causes the right eye to be dilated and left eye to be constricted in a child?

  • @karleykb8881
    @karleykb8881 3 ปีที่แล้ว +1

    Why did mine randomly dilate I’m rly scared

  • @pattylizzy
    @pattylizzy 6 หลายเดือนก่อน

    I sometimes have a problem where no matter what I do, my pupils won’t dilate. When this happens, I feel very uneasy and dizzy. I have a headache and I feel sick too. Can you please explain why this might be happening? Is it a migraine?

  • @_rimo
    @_rimo 4 ปีที่แล้ว

    that little advice at the end is probably not true when you supervise someone in any capacity...

  • @sourabhkoundal4603
    @sourabhkoundal4603 4 ปีที่แล้ว +3

    Sir my pupil is enlarged by hitting of ball into my eyes what can be do

  • @abraham7330
    @abraham7330 ปีที่แล้ว +2

    Weird I got suspdned under the influence from school cus my pupils were unresponsive I was sober but wtf so what health isssue I have?

    • @bojibear7957
      @bojibear7957 9 หลายเดือนก่อน

      Were you vaccinated as a child. Common sideffects

  • @mohamedmahmoud-rb8ls
    @mohamedmahmoud-rb8ls 4 ปีที่แล้ว

    Nice

  • @MyBellaslove
    @MyBellaslove 2 ปีที่แล้ว +2

    My pupils are both pinpointed. Ive been under alot of stress. Ive been on my phone constantly. Feels like something is in my right eye. Please advise this is abnormal

    • @kellynisbett5876
      @kellynisbett5876 ปีที่แล้ว

      Me too! My pupils were normal size until recently. Not sure if eye drops for dry eyes is why 🤦‍♂️

    • @lenieceanderson7439
      @lenieceanderson7439 4 หลายเดือนก่อน

      Did you guys find help the same thing is happening to my brother 🙏 God help us

  • @gireeshmishra_lifes
    @gireeshmishra_lifes 21 วันที่ผ่านมา

    What's the reason during pregnancy pupils dilated?

  • @Cloud777-7
    @Cloud777-7 หลายเดือนก่อน

    I can dilate and contract my pupils at will, what does this mean? I use it when I’m making eye contact with woman I find attractive and her eyes also dilate

  • @verofpv6152
    @verofpv6152 4 ปีที่แล้ว

    Some people take heroin and there pupils are like pins but that dont mean they dont like you, on the other hand some people on MDMA have dinner plates for pupils doents mean they love you, except if its really good MDMA then they definitely do love you haha.😅👀☺

  • @northedsa5747
    @northedsa5747 2 ปีที่แล้ว

    My nephew is 10 year old diagnosed with TB meningitis and she is in coma for 1 month. Her pupil is fixed dilated ..and her GCS is fluctuating from 3 to 5 is the highest...im wondering if she still alive or brain dead ???:( please help me..thanks

  • @NoCrust
    @NoCrust 4 หลายเดือนก่อน

    Young John

  • @coolboy9539
    @coolboy9539 6 หลายเดือนก่อน

    Hello brother me also 14 and me also on 11 april hit by a ball i have no vision for some hour i heals slowly after 8 days it become so good then i notice the size of pupil then i go to a big hospital in jalna magarastra where doctor say the iris muscle is damage no treatmemt 😢😢 he tell it heals over a period of time but does not come back to norml 😢😢😢 bro please update me

  • @userl-mo4sl
    @userl-mo4sl 4 หลายเดือนก่อน

    Hello doctor,I've had myopia and 15 years ago I decided to wear contact lenses for one night instead of glasses and ever since I see halos around lights and terrible night vision even I never wore those lenses.My eye doctor didn't accept this happened because of contact lenses and said this is beacuse of my thin retina!! I want to kill myself I can't live easily😢

  • @yuklove3963
    @yuklove3963 4 ปีที่แล้ว

    Tiktok brought me here whahaah

  • @sereenamohd3081
    @sereenamohd3081 ปีที่แล้ว

    Perfect explanation 🫶🏻👌🏻,i love it alot

  • @Rocky-eq3ng
    @Rocky-eq3ng 2 ปีที่แล้ว

    I came here for medical knowledge but I left with an added professional dating tip ✌