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

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: 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: 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: The chop failed. Now what?

Even for expert cataract surgeons, sometimes the attempt at phaco chop fails. This can be due to many reasons and … More

Cataract Quiz: Why did we get bleeding here?

In this resident case, the IOL is in the capsular bag, the capsulorhexis is intact, the viscoelastic has been removed … More

Cataract Quiz: What is this white plume?

The phaco probe is placed in the eye at the beginning of the cataract surgery and when ultrasonic energy was … More

Quiz: What will happen next? Look carefully

This picture tells me that there is going to be an issue during this case. As soon as the incision … More

Quiz: Cataract & Penetrating Corneal Injury

This patient had a penetrating corneal injury many years ago. When we look at the eye we can see evidence … More

Quiz: Why is this phaco chop going to fail?

Look at this photo carefully. We can tell that this phaco chop will fail and the nucleus will not be … More

Quiz: Why is the vision 20/200?

This patient has a pre-op visual acuity of just 20/200 but the cataract does not look that bad. Also, we … More

Quiz: What is this focal lens opacity?

What is this focal lens opacity that is seen during cataract surgery? And how do we remove it? What likely … More

Quiz: What are these spots seen during surgery?

During cataract surgery for this patient, everything seemed relatively routine. The patient is elderly with some zonular laxity, but even … More

Quiz: Why does this pupil look irregular?

This patient is undergoing a combined cataract surgery with a pars plana vitrectomy. Two novice surgeons are operating: a senior … More

Quiz: What is the huge danger seen in this photo?

This surgery is being performed by a senior resident and it starts off great. It is a dense white cataract … More

Quiz: What size is this Capsulorhexis?

We want a capsulorhexis to be just large enough to overlap the optic of the IOL in order to hold … More

Quiz: Why won’t this nucleus rotate?

This patient has a relatively opaque cataract with a pre-operative vision of only counting fingers. When we go to perform … More

Quiz: What is this large central opacity?

Quiz time: What is this large central opacity seen in the anterior chamber? The patient is scheduled for cataract surgery … More

Quiz: Why is the posterior capsule wrinkled?

This seemed like a totally routine case. Good incision, good capsulorhexis, efficient nucleus removal, and complete cortex removal. There was … More

Quiz: Cataract Surgery in Fuchs’ Corneal Dystrophy

Look carefully at the picture and tell me what you would do differently for this cataract surgery. This patient has … More

Quiz: Why does the red reflex change during surgery?

This is a routine cataract surgery, but there is a limited red reflex during the surgery. This is sometimes due … More

Quiz: It’s a good incision so why did the AC collapse?

Quiz time! Watch this brief video carefully and figure out why the anterior chamber collapsed after this resident surgeon made … More

Quiz: What is this dark spot and what is the danger?

This is a complicated case sent to us for review by an anonymous surgeon. You can also submit a video … More

I just cannot chop this cataract – you’ll never guess why!

This seemed like a routine cataract surgery, but I was wrong. I just could not seem to chop this cataract … More

Quiz: Why did we miss the post-op target of plano?

There are many methods of IOL calculations and with every generation, these get more refined and more accurate. Most surgeons … More

What IOL Power do you choose for this patient?

This 60 year old patient is seeing you in consultation for cataract surgery. He has a significant posterior subcapsular cataract … More

Learning from the IOL Calcs of the First Eye

Even with the best methods of IOL calculations (new generation formulae, artificial intelligence methods, and more), there will still be … More

IOL Calc Quiz: hitting plano in a high hyperope

Here is your challenge. You’re operating on a patient who is highly hyperopic (wearing +6.50 OD and +7.00 OS for … More

Quiz: Can you spot the potential complication?

In this case, everything seemed routine and it progressed quite smoothly. A nice incision, an accurate capsulorhexis, efficient nucleus removal, … More

IOL Calc Quiz: Why are the eyes so different?

This patient has similar cataracts in both eyes and is preparing for cataract surgery with you. The biometry has been … More

Quiz: Should you implant a Toric IOL in this eye?

The patient is 70 years old and the corneal scar of the left eye is about 80% depth within the … More

Why is the pupil peaked during this cataract surgery?

The iris is a fluid tissue that moves within the eye in response to the fluidic changes of cataract surgery. … More

Routine case, but what’s this line on the capsule?

This is a perfectly routine cataract case and it goes beautifully. But then, at the end of the case with … More

Wait! Is the Posterior Capsule Ruptured?

In this video which was submitted anonymously, the guest surgeon had a routine case with an intact capsulorhexis. But then … More

Traumatic Cataract: What is your surgical approach?

This 42 year old patient sustained an airbag injury to his face a few months ago. He noted cloudy vision … More

Quiz: Persistent Corneal Edema – Why?

This 70 year old patient had successful cataract surgery about one month ago. There were no complications. The patient has … More

White Cataracts: Can you pass the Quiz?

Only a true cataract expert will pass this 2 minute test! The past five articles and videos have all been … More