Look carefully at the picture and see if you can figure out what complication is imminent. Can you tell what … More
Category: Quiz
1723: Quiz: Why did corneal edema develop?
Quiz time with another CataractQuiz™ from CataractCoach™. Look carefully at the photo above and you will note that the patient … More
1652: Quiz: What is the problem here?
If you have done less than 1000 cataract surgeries, then you may find this quiz very challenging. Look carefully at … More
1603: what is hiding in this picture?
It seems like a routine cataract case, nicely performed with a phaco chop technique, but there is something more. Look … More
1582: Quiz: Why such an odd chopper?
Time for a Cataract Quiz: look at the picture here and tell me, why this surgeon is using such an … More
1547: Quiz: Why is the IOL decentered?
Look carefully at the picture and see if you can determine why the IOL is decentered? The capsulorhexis looks good … More
1540: Why won’t the IOL stay in the bag?
Cataract Quiz: Look at the picture above and see if you can figure out why the IOL keeps coming out … More
1482: upside down IOL – who is at fault?
Watch this anonymous video very carefully and let me know who is to blame for this upside down IOL, the … More
1470: ASCRS case 1: what happens next?
At the 2022 ASCRS meeting in Washington, DC, we hosted a CataractCoach instructional course and it was a huge success. … More
1451: Quiz: Where is the lens fragment?
A retained lens fragment is common in cataract surgery because we are breaking up the cataract into many smaller pieces … More
1385: Quiz: you notice this after draping
Quiz time! You have this patient scheduled for routine cataract surgery. Nothing out of the ordinary was noted at the … More
1374: how do you remove this spot?
This is a complete cataract case where I find a small central opacity on the posterior capsule. It is on … More
1373: Quiz: what are these opacities?
This is a complete cataract case with a quiz: watch the video (it is brief) and tell me what you … More
1306: Cataract Quiz: IOL not centered
This seemed like a routine cataract case with a good capsulorhexis and strong zonular support. So why did the IOL … More
1210: How did this fragment get here?
Time for a cataract quiz. You are doing a seemingly routine cataract surgery and you experience no complications and in … More
1060: Quiz: Why is this so adherent?
Another Cataract Quiz: the case seemed totally normal and without any issues. The IOL is in the capsular bag and … More
1059: Quiz: the case is not done yet
The answer to this Cataract Quiz is seen in the photo above. Look carefully – what do you notice? The … More
1058: Quiz: Why did the IOL decenter?
Time for a Cataract Quiz and it features a case sent to us by Dr. Valentin Bachet from Lille, France. … More
1047: Complete Cataract Case & Quiz
You start to perform the capsulorhexis and then you notice these wrinkles of the anterior lens capsule. How should you … More
Playlist: Hiding in plain sight
There are so many subtle clues in cataract surgery that can easily be missed, particularly when less experienced surgeons are … More
Cataract Quiz: First eye predicts the next
This patient had cataract surgery in the first eye a few years ago and when we look at the undilated … More
Cataract Quiz: Zonular Dehiscence
Our guest surgeon is Dr Willie Kan from Malaysia and he presents a very tough case: a traumatic white cataract … More
Cataract Quiz: Why did this happen?
Looking at this picture, the pupil dilation went from 5 mm in diameter to 10 mm in diameter in just … More
Cataract Quiz: Why did the trypan do this?
Cataract Quiz: Why did the trypan blue dye do this? Why is the staining so odd looking? Why is the … More
Cataract Quiz: Where is the hidden piece?
Time for another cataract quiz — look carefully at the photo above. Where is the nuclear fragment hiding? And how … More
Cataract Quiz: When did the break happen?
This patient has a relatively dense cataract and requires a toric IOL for 2 diopters of regular corneal astigmatism. When … More
Cataract Quiz: What should you do?
What are these dark spots seen in the red reflex as you are about to start cataract surgery? What do … More
Cataract Quiz: What happened here?
Our quiz features a video from Gustavo Hüning, MD, MBA from Brazil and it shows an unusual situation that happens … More
Cataract Quiz: Trapped Air Bubble
We have a great learning case from Dr. Xiaogang Wang from Taiyuan, China with a surgical challenge. This patient has … More
Cataract Quiz: many small opacities
Quiz time! You are doing what seemed like a routine cataract case and then you see many small opacities in … More
Cataract Quiz: slight peak of pupil
This is a very subtle sign — look carefully at the picture. In the sub-incisional area, there is a slight … More
Cataract Quiz: Why did the capsule rip?
This resident surgeon recently experienced quite a surprise: when he injected viscoelastic at the beginning of the surgery, the anterior … More
Cataract Quiz: Why is the cornea cloudy?
This is a routine cataract surgery case. It is very efficient and a minimal amount of ultrasound energy is used … More
Cataract Quiz: What’s wrong with the IOL?
Time for a Cataract Quiz, featuring guest surgeon Dr. Sourabh D. Patwardhan from India, featuring a complication with an IOL. … More
Cataract Quiz: Argentinian Flag Sign
Cataract Quiz: How can you prevent the dreaded Argentinian flag sign now? White cataracts can pose a challenge when performing … More
Quiz: Why are there two main incisions?
Cataract Quiz: Why are there two phaco incisions in this eye? This is a routine cataract surgery and the case … More
Quiz: What is different about this cataract?
Look carefully at the picture above and you will see something that is different about this white cataract. It is … More
Cataract Quiz: Why shift the capsulorhexis?
Looking at the picture above it seems like the capsulorhexis has been shifted nasally: it is much closer to the … More
Anterior Capsule Rips Uncontrollably
Quiz time: What do you do when the anterior capsule rips uncontrollably in a young patient who is scheduled to … More
Quiz: Should I have used a pupil ring?
This is a tough case and the pupil is smaller than I expected. Should I have used a pupil expansion … More
Cataract Quiz: IOL with capsule tear
Cataract Quiz time: you have removed the lens nucleus and the cortex and you see that the anterior capsular rim … More
Cataract Quiz: Which direction for capsulorhexis?
In this Cataract Quiz we have a patient with a white cataract and as we start to tear the capsulorhexis, … More
Cataract Quiz: Chopper breaks zonules
The resident surgeon has good hands and is talented, but like all new surgeons, he is lacking in experience. The … More
Cataract Quiz: Rescue this Rhexis!
For this Cataract Quiz we have guest surgeon Dr. Naveen Gopal from Bangalore, India showing us a tough case that … More
Cataract Quiz: Why did this IOL decenter?
The patient underwent a combined cataract surgery with pars plana vitrectomy. The cataract surgery went well and even today, 1 … More
Cataract Quiz: When did the bag break?
In this anonymously submitted resident video, there is a break in the posterior capsule during cataract surgery. With the assistance … More
Cataract Quiz: Where should you make the incision?
Our phaco incisions will induce an astigmatic change in the cornea and we can use that to help achieve a … More
Cataract Quiz: What happened here?
Look carefully at this picture: what do you see? There is a three-piece IOL in the sulcus and there is … More
Cataract Quiz: What is hidden in this pic?
Look carefully! There is something that needs to be addressed in this picture — it is not easy to see, … More
Cataract Quiz: Optic-Iris Capture
Happy New Year! It’s Quiz Time: how do you approach this case with optic-iris capture and a dense fibrotic membrane? … More