These are some of the most rewarding cataract surgeries to perform since we can correct the cataract as well as … More
Category: refractive surgery / refractions
considerations for monocular patients
Monocular patients present a special situation that can differ from a routine case in a patient with two eyes. We … More
Extended Depth of Focus: Alcon Vivity
We all want to be young again, at least when it comes to vision: visual quality, range of vision, and … More
refractive lens exchange for hyperopia
This 58 year old patient is highly hyperopic, wearing +8.5 D glasses for distance vision and then +11.0 D glasses … More
Double Phaco Incisions to fix Astigmatism
double phaco incisions for treatment of astigmatism
PanOptix IOL in a Highly Myopic Patient
most extreme PanOptix IOL power for extreme myopia
Incisional Techniques for Astigmatism
Cataract surgery can be our most powerful refractive surgery procedure, correcting high degrees of myopia, hyperopia, and even astigmatism (with … More
choosing refractive targets
Plano is not always the goal It would seem logical that emmetropia is the ideal refractive state of the eye. … More
Cataract Surgery with prior Amblyopia
The most common causes of amblyopia are related to either strabismus or an untreated refractive error, particularly in one eye … More
Angle Alpha and Angle Kappa with IOLs
If an IOL has zero power, such as in an extremely myopic patient, where we place it in the eye … More
Cataract surgery & decentered LASIK flap
We frequently have patients with a history of prior LASIK who are now undergoing cataract surgery. We have explained in … More
Paired Incisions to fix Astigmatism
This is an easy technique that can be so helpful to all cataract surgeons. By using paired phaco incisions, we … More
Review: Cataract surgery after prior RK
This patient was very myopic and desired surgical correction many years before the advent of the excimer laser. As such, … More
Should you use a trifocal IOL in Fuchs’?
This is an unusual case: the patient has Fuchs’ Corneal Dystrophy and yet we are implanting a trifocal IOL. Usually, … More
Review: Why LRIs should be done at the end
Limbal relaxing incisions (LRIs) are useful for treating mild to moderate degrees of corneal astigmatism at the time of cataract … More
Ensuring accuracy of A-scan ultrasound
Correlate A-scan & biometry measurements to improve accuracy in IOL calculations. This case shows how disparate measurements can lead to … More
Artificial Intelligence in Ophthalmology
The future is here and John Ladas, MD, PhD gives us a brief lecture about the Rules of the Game … More
Toric IOL Alignment Dilemma
In this picture, all of these lines are at the 120 degree meridian, so how do you choose where to … 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
The patient has a surprise for you…
You have scheduled a patient for cataract surgery and the case seems relatively routine. The biometry was good and the … More
Review: IOL calcs in high hyperopia
Here is your challenge. You’re operating on a patient who is highly hyperopic (wearing +6.50 OD and +7.00 OS for … More
Simplified Technique for LRIs
Limbal relaxing incisions (LRIs) are a great option to treat pre-existing corneal astigmatism at the time of cataract surgery. They … More
Guest Surgeon PanOptix Tips & Tricks
In the USA, we often get access to new technologies later than other countries due to the hurdles required to … More
Post-LASIK IOL Power Estimation
In eyes with prior LASIK, many different methods of IOL power estimation have been described to get more accurate results … More
Initial Review of the Alcon PanOptix IOL
The Alcon PanOptix IOL has been available in the USA for about three months. What are our initial impressions? How … 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
How to do Limbal Relaxing Incisions
Just about any incision in the cornea will induce some astigmatic change. We have shown how to place the phaco … More
Paired Phaco Incisions to Treat Astigmatism
Cataract surgery is our most powerful refractive procedure based on the spherical power that we can correct. Anything from –30 … More
Toric IOL with intra-operative aberrometer use
Guest Expert John Hovanesian MD implanting a Toric IOL with aberrometer guidance Dr. Hovanesian is a well-known and much respected … More
Review: Temporal vs Superior Phaco Incisions
Some surgeons prefer to make a superior phaco incision while others prefer a temporal approach. Is there a substantial difference … More
Alcon PanOptix Trifocal IOL Performance
In the USA, the FDA has recently approved the Alcon PanOptix IOL for use in cataract surgery. This is a … More
Evaluating Radial Keratotomy for Cataract Surgery
Radial keratotomy (RK) is an out-dated kerato-refractive surgery where radial incisions were made in the cornea in order to cause … More
Doing Cataract Surgery on a Cataract Surgeon
It is always an honor when fellow ophthalmologists ask you to perform their cataract surgeries. It can also be stressful … More
Does age make a difference in IOL surgical planning?
We have some amazing surgical technology now with IOLs that give a wide range of vision and can even help … More
Switching from a Toric IOL to a spherical sulcus IOL
We recently featured a four-part series of a single, complicated cataract case in which the phaco probe punctured the posterior … More
Review: Phaco Incision paired with LRI for Astigmatism Correction
We know that the phaco incision will cause some degree of corneal flattening and this has the ability to alter … More
For ultra high myopes, do not aim for plano!
For patients with a large degree of myopia, undergoing cataract surgery can be life changing because in addition to fixing … More
Dual Optic, Curvature Changing, Full Range Presbyopic IOL
Imagine an IOL for cataract surgery that mimics the human lens with the ability to give a wide range of … More
Pearls for Using Multi-focal IOLs (bifocal, trifocal)
For now, among the more reliable ways to address presbyopia is implanting a multi-focal IOL. These are typically diffractive in … More
Cataract Surgeons are Refractive Surgeons
Cataract surgeons are certainly refractive surgeons and we can correct large degrees of myopia, hyperopia, and astigmatism during our lens-based … More
This is why I do LRIs at the end of the case
Limbal relaxing incisions (LRIs) are useful for treating mild to moderate degrees of corneal astigmatism at the time of cataract … More
Match the Phaco Incision to the Limbal Relaxing Incision
We know that the phaco incision will cause some degree of corneal flattening and this has the ability to alter … More
Some Simple Ophthalmology Mathematics
Ophthalmology has a large degree of math, particularly when it comes to refractive surgery. Our most commonly performed and most … More
Surgically Treating Residual Astigmatism
Which do you choose: Limbal Relaxing Incision (LRI) or Laser Vision Correction (LVC) for treatment of residual astigmatism after cataract … More
Comparison of Night Vision with Different IOLs
Patients often ask me if any of the new lens designs will give them youthful vision. The truth is that … More