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Thank you very much for this video. I’ve watched nearly 30 videos on the subject. This one was the only one that satisfied me.

I first learned about vitrectomy about 20 years ago, and was horrified by everything about it. 2 months ago, I had a cataract surgery in my one eye with adequate vision which dropped lens fragments into the back of my eye, which caused my eye pressure to spike high enough to kill my optic nerve within a few weeks. Instead, a vitrectomy removed the lens fragments and thus halted my eye's self-destruct sequence. As a bonus, I also got rid of the countless floaters that have annoyed me my entire life. A month after the vitrectomy, I still have some visual acuity issues, but I'm not blind. The surgery which terrified me more than any other is now the surgery I value over any other. I'm sure there's some lesson to be found in this. 🙂

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2 yrs of Avastin injections for Macular Degeneration caused what they are saying is irreversible scarring in my dad’s eye. Seems so oxymoronic that the medicine he went through 2 yrs of painful injections - actually now made his eyes scarred… and don’t know what to do now for him. He now is having troubles doing daily tasks and needs assistance with everything from bathing to eating. I feel like they experimented on my dad … Can he now reverse the scarring from Avastin? Feeling so sad and frustrated with the medical system. His eye is completely scarred from Avastin- what can we do now???

thanks so much

Beautiful: All normal eyes, control their refractive STATE , to THEIR AVERAGE VALUE OF ACCOMMODATION. A perfect scientific truth.

I appreciate you 2024

1 -4,000 people.

A wonderful help.

You are doing a great job.

Dr B;aclwell as a recently diagnosed glaucoma patient i found this video an excellent precis on the subject. Thank you so much for this!

This video taught me more in 15 minutes than my teacher taught me all year. Thank you so much! You just earned yourself a new subscriber.

Thank you for making this video. I've had a persistent detachment that hasn't responded to a buckle or a bubble, so I've just had a victrectomy to try and fix it. Your video helped explain what was done and why.

Hello! I have a hard time understanding the tristimulus chart. I thought the CIE diagram was based on the normalized responsivity spectra of human cone cells, not on the linear combination component values of a wavelength onto the 700 nm, 546.1 nm and 435.8 nm. Or are they the same thing? And why is the tristimulus chart negative? And why those particular wave lengths? Thanks!

This video is so good better than any movie

Dr blackwell can you be my attending in my subspecialty 😊

I love the cornea too craig

My ophthalmologist said there’s nothing that could be done about my vitreous floaters. I told her they are a nuisance especially when driving and she quickly dismissed me telling me that it’s normal and it’s not a cause for concern. When their clearly is procedures to treat floaters. She must’ve gotten her ophthalmology degree from dollar tree 🙄

I found this far more interesting and informative than most other videos that’s just go on and on.

Great video! Could you also add the list of references to the description instead of having those only in video as image?

Thank you very much! ❤

Excellent explanation. Thanks you !!

I have a question that I'm wondering if you might know the answer to. With regards to astigmatism, what might cause the distance to the test to change which direction the lines are blurry and clear? Close up the horizontal lines are more clear and the vertical most fuzzy, but when at a distance that is not say reading distance to perhaps a monitor and further away it's the opposite. So when further away the horizontal lines are now fuzzy yet the vertical lines are now clear. If it were the shape of my eye lens or cornea wouldn't they be the same or similar direction no matter the distance?

Ty for this video - this has helped me to understand . Now I just need those paralyzed to attest to having this surgery & questions I should ask .

“If it could be demonstrated that any complex organ existed, which could not possibly have been formed by numerous, successive, slight modifications, my theory would absolutely break down. But I can find no such case.” Charles Darwin, On the origin of species. Evolution theory….in tatters.

Thank you very much, this material is very precious.

How long does it take to start seeing again my dad had vitrectomy because of gel clumps no retinal detachment or holes . its been 4 days and he sees just white cloudy and is worried.

Thank you for the video & information 🙏

I’m interested to know more about the type of vision cows, pigs, and deer have, but I’m not surprised it wasn’t mentioned. He didn’t want to make people uncomfortable by showing that the food they eat sees the same world as them. Exceptionally too, as most mammals are dichromats.

Fantastic as usual.

Hi Dani, same experience n been thru everything u explained. i had pneumatic retinopexy n took 2 months 7 days to go away gas bubble

Christ, the FDA needs to hurry the hell up…. All these treatments are available abroad but not in the USA? Likely lobbyists messing up development like happens a lot here.

Vuety drops are a waste of money. Considering the active ingredient is available in 10 ml bottles and is an old generic drug pilocarpine hydrochloride ophthalmic solution. It’s “ok” but don’t try to drive at night . Since your pupil can’t dilate, your eye cannot increase the amount of light when there is less light available. Also, I had mono vision LASIK done and it was also useless. One eye is now corrected for distance, with the other set for near vision. My brain didn’t adjust and the near vision is wrecking my distance vision. It’s aweful as my eyes fight one another.

I had rt eye rhegmatogenous retinal detachment and had a vitrectomy surgery. Now am in 4th day post surgery. Keepingmy face down position to ensure the gas bubble stays put. I only sleep on my left side and all these for next two weeks or so.

You are the best for these videos. im a deutan studying my deficiency and these are the best sources for visualization and explaination

Most simplified

Thank you

Spectral colors can be distinguished from a mixing of other colors when illuminating a color image. For example, the almost spectral yellow from a sodium vapor lamp will make a color photo look monochrome. The same photo illuminated by a mixture of red and green light will reveal red, orange yellow and green.

I have them in ny eye. One black one white like 🌝🌚 moon's and with the black and white stripes 😢

Wow....what a wonderful teacher...Thank you very much..........A great way of explanation...

I have experienced the "aura-only" about four times. The hand drawn images are not accurate. You show a portrait with black, white, flesh-color, and gray. My auras only contain the colors of the original image. My last experience was while reading black and white on a computer monitor; my aura was in black and white ONLY. The original image is somehow scrambled but the original colors are transformed.

Now that UNR844 was stopped by Novartis, what are the hopes for people that want to restore the lens flexibility or make them thin!? Can you make an update vídeo I’m 2024? Thanks for sharing

Very clear and concise explanation with supportive figures. Thank you.

Very great great video 🎉 e

This gentleman is an accomplished communicator. Bravo, Sir.

Hi There: thank you very much for info, I just did implant, I have very very bad presbyopia, I used multifocal, Now I know how the focus works, wait and see what happen . thanks , Mark.

What could go wrong? Everything !!

❤

Yes! Our perception of Color. Thank you v much. ❤

Omg I am freaking out now after reading g what a vitrectomy cause my surgery is June 27th. I cannot really see floaters everywhere been like this since December if last year started with one little floater now a bunch had shot in eye. Now its worse my vision is disappearing . I can’t go to Japan now I’m scared.🥹