1267: Why is there so much fluidic surge?

This resident case shows the problem of fluidic surge: when the inflow of fluid into the eye is mismatched (for … More

1261: Why is the AC so shallow in IA?

Remember that we are operating in a very tiny space of less than 1 milliliter of volume and that we … More

Phaco tip bevel down for chop

Many viewers of CataractCoach.com ask me why I prefer to have the phaco tip bevel down for cataract surgery. The … More

Finishing this case will be difficult

The reason why ophthalmologists need to perform at least 1,000 cataract surgeries until they are sufficiently up the learning curve, … More

easily aspirating the epi-nucleus

It is much faster and easier to aspirate the epi-nucleus using the phaco probe than the I/A probe because the … More

Setting your Phaco Speed Limit

The speed at which surgery happens during phaco is directly related to the aspiration flow rate, which is measured in … More

Fluidic Analysis during Phaco Chop

It can be helpful to see the machine fluidic parameters in real-time as the phaco chop procedure is performed. We … More

How to Evacuate this Hyphema

This patient was struck in the eye with a Champagne cork, which was traveling at a high velocity and hit … More

The trick to bring cataract pieces to the phaco tip

This is one of my favorite tricks to teach residents: when there is a nuclear piece of cataract in the … More

Quick Fix for Reverse Pupillary Block

In myopic eyes and post-vitrectomy eyes, we can get an overly deep anterior chamber during cataract surgery. The infusion pressure … More

Do not retract the phaco probe or you may lose infusion

When we break up the cataract using the phaco chop technique, we can end up with smaller nuclear pieces which … More

Phaco Fundamentals Part 10: Sample Phaco Settings

In the last of our 10 part series on Phaco Fundamentals, we present a video showing specific starting settings for … More

Higher Infusion Pressure Helps in Floppy Iris Cases

In our phaco fundamentals series, we have explained the basics of choosing fluidic parameters for the phaco machines. These settings … More

Aspiration Flow Rate should be high during final I/A

As we have learned from the phaco fundamentals videos / articles here on CataractCoach, setting the correct fluidic parameters is … More

Phaco Fundamentals Part 6: Adjusting Fluidic Parameters Intra-Op

We must learn to adjust phaco fluidic parameters during surgery. This helps to tailor the surgery to the specific eye … More

Phaco Fundamentals Part 5: Choosing Fluidic Parameters

Now that you have a good understanding of the principals of the fluidics involved in phaco surgery, let’s look at … More

Phaco Fundamentals Part 4: Poiseuille’s Equation

Modulating Fluid Flow: Poiseuille’s Equation The basic equation that governs all fluid flow during phacoemulsification surgery is Poiseuille’s Equation. You … More

Phaco Fundamentals Part 3: Peristaltic vs Venturi Pumps

Peristaltic and Venturi Fluid Pumps With modern-day techniques of phaco-assisted aspiration of cataracts, one of the most important concepts in … More