98% of ophthalmologists will get this wrong and will miss the very subtle point in the video that shows the … More
Category: Quiz
2850: Quiz: Why is this case not done yet?
Time for your favorite CataractQuiz™ episode: look carefully (very carefully) at this title picture and tell me what is the … More
2846: Quiz: What is the major issue here?
Look very carefully at this photo and figure out what is the major issue that you see. Look again because … More
2843: Quiz: Why is the epinucleus tough?
We are back with your favorite ophthalmology test, the CataractQuiz™ and this is a tough one with a great surgical … More
2830: Quiz: What is this line near the iris?
Time for another CataractQuiz, our series where we test your knowledge and skills by showing you a title pic and … More
2801: Quiz: What happened with the IOL?
Yesterday’s CataractQuiz™ was a tough one and most viewers did not guess the correct answer. So today, here is another … More
2800: Quiz: You think this is good, but it’s not
Let’s start the new year with a quiz. Look carefully at the title photo and tell me what the issue … More
2797: Quiz: What is this after removing OVD?
Time for another CataractQuiz™ to test your skills (the full series for CataractQuiz™ can be found here). This patient undergoes … More
2752: Quiz: Why is the IOL dropping?
Our anonymous surgeon thinks that the case is going beautifully but then with IOL insertion, the entire IOL starts dropping … More
2749: Quiz: Why did we get iris bleeding?
This case seems like a good, routine cataract surgery but then towards the end there is some bleeding. What has … More
2738: Quiz: What is this catastrophic failure?
Look carefully at this picture and in particular that line at the tip of the yellow arrow. What is going … More
2726: Quiz: what is happening to the rhexis?
Time for another CataractQuiz™ — look carefully at this photo and ask yourself what is happening to the capsulorhexis? Why … More
2712: Quiz: What are these capsule wrinkles?
This is truly a challenging quiz and very few surgeons can look at this picture and correctly determine what will … More
2692: Quiz: Why is the epi-nucleus stuck?
Time for another CataractQuiz™: Look carefully at the title picture and ask yourself why the epi-nucleus stuck despite good vacuum … More
2684: Quiz: What about this MIGS bleeding?
In this case the patient has a successful cataract surgery but then during the MIGS procedure, a trabeculotomy is done … More
2683: Quiz: the nucleus dropped. now what?
100% of cataract surgeons will experience the complication of a ruptured posterior capsule and then having the nucleus drop into … More
2669: Quiz: What does this sign mean?
You are about to start doing phaco chop for this white cataract and you notice that the capsulorhexis is no … More
2663: Quiz: How to fix this dislocated IOL?
In this CataractQuiz™ we have a patient who had cataract surgery elsewhere and now presents with a dislocated IOL and … More
2657: Quiz: Why did this happen? Help us!
We need your help. With the collective minds and experience of thousands of ophthalmologists, I trust that we can solve … More
2649: Quiz: When did the capsule split?
Another fun CataractQuiz™ with a challenge to figure out when the capsule split open. Looking at the title picture, you … More
2646: Quiz: Where did the capsule go?
Our guest surgeon Professor Ramesh Ayyala from University of South Florida in Tampa, USA shows us a very challenging case … More
2642: Quiz: What is different in this case?
Look carefully at this title picture and tell me what you see. Yes, the patient has a whitish cataract but … More
2634: Quiz: When did the capsule break?
Our last case was so popular that we are presenting the same challenge: can you determine, when did this capsule … More
2621: Quiz: When did the capsule break?
We all love the fun CataractQuiz™ cases and in this video we are also asking for a crowd-sourced answer to … More
2613: Quiz: What is the problem here?
Time for another CataractQuiz™: Look carefully at the title picture and tell me, What is the problem here? Look again … More
2606: Quiz: Why is there a PCIOL in the AC?
Time for a CataractQuiz™: this patient had cataract surgery done elsewhere some time ago and is now being referred to … More
2599: Quiz: What happened to this IOL?
This patient had a prior pars plana vitrectomy and then a three-piece IOL was implanted, but now, months later, the … More
2570: Quiz: Why doesn’t the IOL center?
Time for another CataractQuiz™: The case seemed routine and proceeded well without any issues. Then you implanted the toric IOL … More
2556: Quiz: What is the huge problem here?
In this case, after inserting the toric EDOF IOL, I noticed a huge problem here. If you look closely at … More
2544: Quiz: Why the sudden cataract?
Time for another CataractQuiz™: Why did this patient suddenly develop a white cataract? This is a 65 year old construction … More
2535: Quiz: What are all these ‘floaters’?
The CataractQuiz™ series is very popular among CataractCoach™ fans and today we have a good one. The patient in the … More
2529: Quiz: What does this sign predict?
CataractCoach™ fans just love the CataractQuiz™ series and today we have one that you MUST know. Look at the picture … More
2501: Quiz: Where did the holes come from?
Time for another CataractQuiz™ to test your skills, knowledge, and power of observation. In this video, our anonymous guest surgeon … More
2483: Quiz: Why the recurrent bleeding?
This patient had cataract surgery 6 years ago and has suffered from recurrent vitreous hemorrhage and uveitis ever since. Looking … More
2473: Quiz: Why the sudden cataract?
Another CataractQuiz™ for you: This younger patient (age 30-40) developed a cataract suddenly over the course of a few days. … More
2466: CataractQuiz: Should you YAG this?
Look at this photo and you will see that the posterior capsule is very cloudy. The optic of the IOL … More
2446: Quiz: What kind of cataract is this?
Look carefully at the title photo and ask yourself, “Hmmm, what kind of cataract is this?” Think about it. Is … More
2437: Quiz: Why did the DMEK graft detach?
This patient had a visually significant cataract as well as Fuchs’ endothelial dystrophy so our guest surgeon, Prof Bruno Trindade … More
2431: Quiz: What’s different with cortex?
Happy New Year to all of the CataractCoach fans — thank you for a great 2024 and we are looking … More
2417: Quiz: Why did this IOL cause issues?
Look carefully at this picture and ask yourself why this IOL is causing issues? The patient had a seemingly routine … More
2403: Quiz: What kind of IOL was here?
This patient developed severe capsular bag phimosis over the years and this has resulted in a dislocated IOL. Looking at … More
2391: Quiz: Why did 2 IOLs get injected?
Another CataractQuiz™ for our loyal CataractCoach™ fans: Why did 2 IOLs get injected into this eye? And what is your … More
2390: Quiz: Where did the nucleus go?
This is a very interesting case where the surgeon tries to puncture the anterior lens capsule but it is very … More
2382: Quiz: Why didn’t the rhexis work?
Time for another CataractQuiz: Watch this case carefully and let me know why the capsulorhexis did not work in this … More
2361: Quiz: What is this behind the capsule?
Cataract Quiz: Look carefully at the title picture and you will notice something behind the posterior capsule. It is in … More
2340: Quiz: What kind of cataract is this?
Look carefully at the title picture and ask yourself, “What kind of cataract is this?” Hmmm.. what do you notice? … More
2327: Quiz: How do you proceed safely?
Time for another CataractQuiz™: This patient had an intra-vireal injection which inadvertently punctured the lens capsule near the equator. Now … More
2326: Quiz: How do you explant this IOL?
This patient has a dislocated single-piece acrylic IOL that needs to be explanted so that a three-piece IOL can be … More
2305: Quiz: Is it intumescent or not?
By looking at the title picture, how can you tell if this white cataract is intumescent or not? Think about … More
2298: Quiz: What does this sign mean?
This patient presents to you after sustaining ocular trauma a few months ago. You see the white cataract, likely intumescent, … More