I love the style of your presentations. Very informative and helpful. There is a mistake in this video which I think others have pointed out. When the ciliary muscle contracts the suspensory ligaments loosen and the lens bulges to accommodate for near vision. When the ciliary muscle relaxes the suspensory ligaments are pulled tight and the lens is pulled into a flatter shape for far vision.
I Am a nursing student. The detailed explanation of yours has helped me a lot with anatomy and physiology. I wae about to give up but after going through your videos I, now can deal with A&p easily. Thank you sir.❤
Thank you for this presentation. I've been in the Optometrist field for almost 18 years now, and my dad was an optometrist, so I know the basics of the anatomy. I'm now changing careers into ophthalmology, and this is a great starting point.
Very informative and easy to follow explanation. I'm studying Ophtalmology at the moment, and this was so helpful to me while reviewing the eye anatomy. Thank you so much Mr. Hasudungan ! Keep It Up :-)
according to clinical oriented anatomy by Moore the iris, not the lens, separates the anterior champer of the eye from the posterior thank you Armando, you're doing a lot for medical students
Anterior segment has two chambers. The anterior chamber is between the cornea and the iris and the posterior chamber is behind the iris and in front of the lens. The anterior segment is filled with aqueous humor. The posterior segment, behind the lens, is filled with vitreous humor.
I am brazilian but I am trying to improve my English skills. Tks for share this video! It helped me to review a college subject while I practice my English!
I love your videos! I use it to study in my medical surgical nursing classes. The medium you use definitely makes it easier to understand things. Thanks a million bunch!
Nice video although I believe your explanation of accommodation is somewhat incorrect. When the ciliary muscle constricts, it enables the lens to "thicken up" as the zonule fibers don't pull as hard and this causes its ability to refract light to increase. This happens when we try to look at something close up.
Thank you for this video, but I want to correct something: The ciliary muscle receives only parasympathetic fibers from the short ciliary nerves that arise from the ciliary ganglion. These postganglionic fibers are part of cranial nerve III, it never receive from sympathetic nervous system.
+Bilal Alshareef the doctor at my uni says there is a sympathetic innervation also the video presenter says so too so can i have your resource to back up what your saying ? no offence but a youtube comment wont do me shiit when i try to talk to the doc
At least based on First Aid 2017 (pg509): Constriction is via EW nucleus => ciliary ganglion via CN3 and then short ciliary nerves to Sphincter pupillae muscles - this is parasympathetic, as is shown in this video. Mydriasis (dilation) IS sympathetic, using 3 neurons: (1) hypothalamus to ciliospinal center of Budge (c8-t2) => (2) exit @ T1 to SCG (traveling along cervical sympathetic chain near lung apex, then subclavian vessels) => (3) plexus along the internal carotid, through the cavernous sinus, entering the orbit as the long ciliary nerve to the pupillary DILATOR muscles - as is shown in this video. Please note his distinction between the Sphincter pupillae and dilator muscles. Sympathetic fibers also get the smooth muscle of the eyelids (minor retractors) and sweat glands of the forehead/face). This should make sense - the SyNS is always fight or flight; the dilator muscles are there specifically to increase light intake (a FoF adaptation) and would thus want SyNS innervation. In a PSNS-only system, you would want to have a sphincter muscle ONLY so that a lack of stimulation causes it to relax. Having the dilator means that an SyNS system would go along.
Are you looking for something like this? www.dropbox.com/s/8rflnzhv3y3c2ek/Eye%20Anatomy-washed.pdf?dl=0 Or you refer at those posters that he sells? :D
Great job 👍🏻 as always, you are easy to follow !! But I have a little bit a difficulty to read in capital letters, could you please try to use the small ones? ☹️
thank you so much it is very helpful during last time of my exam . and i made a good notes out of it. and i dont have to see the text book .most of the things are covered .
I would like to point out a mistake here.. Actually when the object is near to eye.. the ciliary muscle contract pulling the suspensory ligament medially towards the cornea and thus releasing tension and lens more spherical shape because of its natural elasticity.. So the conclusion here is Lens is relax state when object is near ... And so on so forth when object is far Ciliary muscle relax state - suspensory ligament tense - lens more flat in shape. I hope it makes clear😄
Thanks for making this video, It is really good. but there's a mistake, during the sympathetic response, the pupil will dilate which will make the vision blurry.
Amazing video, brilliant! Only I never seen a handwriting so confusing, the D looks like an O, the I like a Z, the E like a 6!!😂 but absolutely brilliant helped me a lot!!
Hello ma'am, ATROPINE SULPHATE EYE OINTMENT I.P 1% I have used this only once and my vision has become very low, so what precautions should be taken against it. Me so that my vision becomes normal again. Please replay me......
I love the style of your presentations. Very informative and helpful. There is a mistake in this video which I think others have pointed out. When the ciliary muscle contracts the suspensory ligaments loosen and the lens bulges to accommodate for near vision. When the ciliary muscle relaxes the suspensory ligaments are pulled tight and the lens is pulled into a flatter shape for far vision.
I don't see the difference..
@@susanclara6611 That's because you have lost near field vision due to high sympathetic activity
@@mjlnur6674 🤣🤣🤣 medd o
@@susanclara6611 🎉ع
@@moayadalfaki8664مؤيد فاضحنا
you are the greatest!!! 6 years of med school and still watching you :D
I Am a nursing student.
The detailed explanation of yours has helped me a lot with anatomy and physiology.
I wae about to give up but after going through your videos
I, now can deal with A&p easily.
Thank you sir.❤
Thank you for this presentation. I've been in the Optometrist field for almost 18 years now, and my dad was an optometrist, so I know the basics of the anatomy. I'm now changing careers into ophthalmology, and this is a great starting point.
I just love the way you explain each and every point. Thank you sir.
the only eye explanation that wasnt boring, and that i actually understood, thank u so much!
Man , I am one of your student from my first year of medicine !
Thnx for your efforts.
You must be a second year resident now!
What are you doing now I wonder? 😊
I've been learning from you since my first year. I'm in my final year now. Thank you!
Very clear and well explained! Would appreciate more ophthalmology videos about eye disease! keep it up! Thanks
Very informative and easy to follow explanation. I'm studying Ophtalmology at the moment, and this was so helpful to me while reviewing the eye anatomy. Thank you so much Mr. Hasudungan ! Keep It Up :-)
Hii
د. لمياء بشرينا صرتي Ophthalmologist ؟
@@rakanal7985
عقبالنا إن شاء الله
@@tefahunter1880 اااخ الله يبلغنا والله انه حلممم
according to clinical oriented anatomy by Moore
the iris, not the lens, separates the anterior champer of the eye from the posterior
thank you Armando, you're doing a lot for medical students
Lens separate the anterior cavity from the posterior cavity. He didn't say chamber. And it's chamber not chapmer.
Anterior segment has two chambers. The anterior chamber is between the cornea and the iris and the posterior chamber is behind the iris and in front of the lens. The anterior segment is filled with aqueous humor. The posterior segment, behind the lens, is filled with vitreous humor.
Riashat Rafat champer😂😂😂 you good at recognizing errors!
This was clear, helpful, and beautifully drawn. Thank you. I will view it multiple times to let it sink in.
Me too..you are really good at explaining . I am studying for my ABO and this really helped..thanks
This is so good😚, even though I am just at year one in medical school😎, I still hope one day I will make an amazing educational video like this😍
Great way to outline everything! Very detailed and easy to follow along.
I am brazilian but I am trying to improve my English skills. Tks for share this video! It helped me to review a college subject while I practice my English!
Good luck
Armando Hasudungan, Keep making videos!
I love your videos! I use it to study in my medical surgical nursing classes. The medium you use definitely makes it easier to understand things. Thanks a million bunch!
Love the drawings it really made the understanding so easier, thank you !
Thank you very much...I like your presentations.
Nice video although I believe your explanation of accommodation is somewhat incorrect. When the ciliary muscle constricts, it enables the lens to "thicken up" as the zonule fibers don't pull as hard and this causes its ability to refract light to increase. This happens when we try to look at something close up.
Learning from you since my 12th grade n currently in final year thanks n wishing loads of happiness to you 🙌
u really help me revised the basic , looking for more anatomy videos thank u
have no word to than tell you how much lovely and gd teacher u r Armando
easy to understand and speed is convenient..thanks @Armando
No words to describe how genius you are 😍 thanks alot sir 👍
How good is that!!🔥
really very good video to clear concepts of how exactly eye functions
This such a great vid love how you included the chambers of the eye
This video covered my professor's 3 hour lecture, thank you!
Your so good that you expressed about the eye
I have exam after 2 days & this video such a life-saver thx doctor💙💙
Thank you for this video, but I want to correct something:
The ciliary muscle receives only parasympathetic fibers from the short ciliary nerves that arise from the ciliary ganglion. These postganglionic fibers are part of cranial nerve III, it never receive from sympathetic nervous system.
+Bilal Alshareef Thank so much, I didn't pay attention to that.
+Bilal Alshareef the doctor at my uni says there is a sympathetic innervation
also the video presenter says so too
so can i have your resource to back up what your saying ?
no offence but a youtube comment wont do me shiit when i try to talk to the doc
+Bilal Alshareef Yeah that had confused me
+da man Read a Barrs
At least based on First Aid 2017 (pg509): Constriction is via EW nucleus => ciliary ganglion via CN3 and then short ciliary nerves to Sphincter pupillae muscles - this is parasympathetic, as is shown in this video. Mydriasis (dilation) IS sympathetic, using 3 neurons: (1) hypothalamus to ciliospinal center of Budge (c8-t2) => (2) exit @ T1 to SCG (traveling along cervical sympathetic chain near lung apex, then subclavian vessels) => (3) plexus along the internal carotid, through the cavernous sinus, entering the orbit as the long ciliary nerve to the pupillary DILATOR muscles - as is shown in this video. Please note his distinction between the Sphincter pupillae and dilator muscles.
Sympathetic fibers also get the smooth muscle of the eyelids (minor retractors) and sweat glands of the forehead/face).
This should make sense - the SyNS is always fight or flight; the dilator muscles are there specifically to increase light intake (a FoF adaptation) and would thus want SyNS innervation. In a PSNS-only system, you would want to have a sphincter muscle ONLY so that a lack of stimulation causes it to relax. Having the dilator means that an SyNS system would go along.
Good,i really appreciate it thanks to you
Many thanks, wish you the best in your life !
Thank you very much 🙏
Very nice overview! Thanks for the video
if you made posters of this stuff I would buy copious amounts
Are you looking for something like this?
www.dropbox.com/s/8rflnzhv3y3c2ek/Eye%20Anatomy-washed.pdf?dl=0
Or you refer at those posters that he sells? :D
but u had just one,right? anyway thanks beauty
Sorina Petruț how did you do That?
But it's so blurry
He does make posters on his website!
Love learning about the eye.
Nice video sir! Its help me to learn anatomy of the eye... Keep uploading, thanks once again 😊
bro i like your video, very useful and easy to understand! I'm just start my study first year Optometry, keep updating ya !
best best video of eye i have ever seen.... thank you very much..
Great job 👍🏻 as always, you are easy to follow !!
But I have a little bit a difficulty to read in capital letters, could you please try to use the small ones? ☹️
Awesome !! great work !!
i saw this channel from my first year of medical College now i am preparing after MBBS By this 🤣
Feeling chill🎉 I enjoyed that 🤍
My favorite guy. I still watch even after earning my bachelors
Lifelong learning rocks! :)
well explained 👍👍
Great video! Would love to see you make one about the lymphatic system.
thank you so much it is very helpful during last time
of my exam . and i made a good notes out of it. and i dont have to see the text book .most of the things are covered .
Hello! I really love your videos but I want to point out that the iris is perforated by an opening which is the pupil.
A really good work
Excellent video. Very lucid in content and presentation... Thanx
Very good video, thankyou sir! Wish me luck on anatomy fisiology exam next week 😬
I would like to point out a mistake here.. Actually when the object is near to eye.. the ciliary muscle contract pulling the suspensory ligament medially towards the cornea and thus releasing tension and lens more spherical shape because of its natural elasticity.. So the conclusion here is Lens is relax state when object is near ...
And so on so forth when object is far Ciliary muscle relax state - suspensory ligament tense - lens more flat in shape. I hope it makes clear😄
Thank you for this! Immensely helpful!
Thank you dr. Armando ,, you are really amazing
I love your drawing and presentation is also very informative and good 👍
Thankyou soo much for such a beautiful explaination.......!!!!!
Commendable
Easy understanding video..
Thanks a ton
you are a great teacher . please upload a video for vision. i really want to learn in details . thank you :-D
Thanks for making this video, It is really good. but there's a mistake, during the sympathetic response, the pupil will dilate which will make the vision blurry.
Excellent. Clear info with detail. Thank you.
Thanks much this will help me on my expose
Helped alot... Thank you
Excellent video! It is well explained and very much to the point! :)
very nice... thanku for uploading such video
thank you so much doctor, it really helps me!
Awesome video! Helped tons, what pens do you use and where can I get them? They're so satisfying!
Thank you very much you are awesome !
great job sir!
Amazing presentation
thanks
i found it super useful , thanks
Thank you❤
Thank you so much. The video is very helpful.
I love the video you did. Thank you, it really helps me a lot.
Could you please give time stamps of the major topics ?
Really nice video and nice drawings and explinations too
Hello ! great video! i would like to know how do you make this kind of videos ?
Thank you very much, that helps me a lot. Very clear explanation.
thank you! great explanation :)
So if your pupil eye stays wide open and causes pain, would it be because of the lens?
Amazing video, brilliant!
Only I never seen a handwriting so confusing, the D looks like an O, the I like a Z, the E like a 6!!😂 but absolutely brilliant helped me a lot!!
Thank you alot for this videos :) I am here seeing your videos from syria
Watching this 2 hours before a quiz in my APHY class
thank you so much👍
thank you so much armando sir
That's interesting. Thanks for making this video!
OMG thank you very much. ure so cool!!!
Very informative. Thank you :)
Hello ma'am,
ATROPINE SULPHATE
EYE OINTMENT I.P 1%
I have used this only once and my vision has become very low, so what precautions should be taken against it. Me so that my vision becomes normal again.
Please replay me......
thank you
U are great sir!Thanks a lot
Thanky vous! ©
That was awesome
Thank youuu
thanks armando, if you could make more anatomy videos that would be great , as the books are too detailed and often bore me haha :D
Excellent 👍
amazong work, thank you very much
Is conjunctiva in layer 1,2, or 3?