In the USA, we often get access to new technologies later than other countries due to the hurdles required to … More
Category: refractive surgery / refractions
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