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Accommodation in the eye (focussing) for IGCSE Biology
'So how is it that contracting the ciliary muscles slackens the suspensory ligaments?' I hear you asking, (remotely, via the interweb). I hope I answer this and related q's.
'So how is it that contracting the ciliary muscles slackens the suspensory ligaments?' I hear you asking, (remotely, via the interweb). I hope I answer this and related q's.
Пікірлер: 73
This is the type of biology teacher everybody in the world needs!
your explanation of the contraction/relaxation of the muscle/ligament was so clear; I had read about this several times and couldn't work it out. Thank you.
how weird, i was just lying in the shade of a tree in the serengeti watching wildebeest, good luck to everyone doing their igcse tomorrow!
@pijushbhowal6214
6 жыл бұрын
Тоомас Хансо classy English ha
@annymus4502
4 жыл бұрын
Wait, really!? Or is it sarcasm?
@stevesmith3517
3 жыл бұрын
there reallly was no need for that comment but ok
I've never had so much fun learning
Found this today,but thank you,you helped me understand how the lens works with the objects which are far and close
Thank you soooooo much for doing these videos , much better than my teacher and my text book , they make everything simple and clear , unlike the textbook and my teachers.
As a mature student, I had to get a C for biology when it wasn't one of my options at school. My work commitments meant that I had no choice but to self study and your videos have just been amazingly useful. Fingers crossed I did enough on paper 1 on Tuesday.
@HK4718
3 жыл бұрын
how did you get on?
BEST INFORMATION. I HAVE LIKED IT
youre the only person who has made me understand why the contracting slackens the suspensory ligaments thankyou so much youre so clever
@TomDare
5 жыл бұрын
Really pleased it helped. Thanks for commenting!
this is really helpful for students like me who self study the triple course :)
All normal eyes, continously monitor micro-blur on the surface of the retina. It is a superior feedback control system, with a time-constant of about 1/3 second.
Thanks, very helpful explanation of how how the ciliary muscles work.
dude my text book is nothing compared to this video of yours.TYSM!!!!
Great insights!
Thank you for this video. My concept is crystal clear.
Holy shit! I saw a wild beast outside my apartment while watching this video!
This explained it so much better that school Thanks for the help
Thank you! - Great summary for the course :-)
Awesome explanation
Thank you for an explanation
YOU ARE AMAZING
Thanks for this!
Thanks you , from finally I understood this topic ,nice teaching by the way . Hopefully I'll pass my exams thanks
thank you very much for these videos! pease can you try to do the whole biology igcse course, my boards are next year and you teach better my teacher and book... thanks
Thank you so much 💕💕💕
Thank you so much 😊
Good video bro.Very much informative
You are so much better than my teacher
thank you
Biceps example best🔥🔥🔥👍👍
Thank you so much sir 😀❤️
thank you!
Mr T.Dare please do one on genetic.Please.Thank You.
Thank u sir
Mr Dare, you are so interesting!
The best explanation ave found...and very entertaining aswell 😅... thank you Sir 🙏
@TomDare
3 жыл бұрын
Most welcome!
Great
Does the accommodation decrease when someone has Myopia? So lets say someone has 4 Diopter Myopia, will that Accommodation become 10 instead of 14?
Thank you this video really helped me !!!!!
@TomDare
6 жыл бұрын
Glad to have helped
You know what I was actually watching wilderbeast
I can see clearly now my lens is thin, I can see all wilder beasts roaming free
ur vdeos are amazing.. pls do one on sex linked inheritance thankyou.
I was actually watching cows when watching this does it count? 😂 thanks the lesson was very helpful l finally understood this
how odd just out my window a massive group of wilderbeast were running across the road in the uk, crazy. huh?
@TomDare
3 жыл бұрын
Odd indeed. Depending on where you are, of course...
6:11, I was actually watching wilder-beast while watching this video!
@barnstormer322
8 жыл бұрын
wow! amazing!
@KingPenguin
7 жыл бұрын
Wow Ben! :P
Good luck to anyone taking B2 2017 exam
I was actually watching wilder beast xD
great mate you should make one on plants reproduction
@TomDare
6 жыл бұрын
Wouldn't you know... I have!
There's a wildebeest in my garden but I'm blind
Was actually looking at buffalos 😂
light is commin like a mopet 2:03
But amazingggg video
@TomDare
6 жыл бұрын
... thank you for your amazingggg comment!
Can you do f211 via please,tom
@TomDare
9 жыл бұрын
Shazia Nawaz Trying to get videos out as and when time allows. Also, you are the last year that will take F211, other than retakers, so we'll probably focus on the new syllabus from next year. There should be some F212,3 &4 videos that can help on the playlists. Hope that helps.
@zeeshitbag7545
9 жыл бұрын
no sir i am first year studnet so i am doing as.i was doing igcse last year whcih you got me through :)
@zeeshitbag7545
9 жыл бұрын
sir can i ask when the vidos will be out???
@TomDare
9 жыл бұрын
Hmm, not sure. Will hopefully be a couple in the second part of this term.
@zeeshitbag7545
9 жыл бұрын
can you not make vids by today or tomorrow ??? the exams on monday
Hello Tom I'm biology teacher too. I have a question. The ciliary muscles of a normal eye are in their most relaxed state as then the thickness of the lens increases, thus increasing focal length. So how you say the ciliary muscles are contracted when we look at near distance? 🤔 I think when we look at far distance then the ciliary muscles contracted
Who else wanted to jump over while listening 🤓😋😜
How the fk they know all of this shit?