3046: diurnal visual fluctuations in RK eyes

3046: diurnal visual fluctuations in RK eyes Addressing the diurnal refractive shift in radial keratotomy eyes Radial keratotomy was a … More

3045: Early IOL exchange to change Rx

3045: Early IOL exchange to change Rx Performing an early IOL exchange just a few weeks after primary cataract surgery … More

2969: effect of scleral spacers on presbyopia

2969: effect of scleral spacers on presbyopia This patient’s pursuit of spectacle independence via radial keratotomy, PRK for the subsequent … More

2891: why temporary hyperopia happens in RK

Temporary post-op hyperopia after cataract surgery in Radial Keratotomy eyes Performing cataract surgery on a patient with a history of … More

2871: cataract surgery with Kamra corneal inlay

Performing cataract surgery in an eye with a Kamra corneal inlay requires managing a physical obstruction in the surgeon’s line … More

2765: phaco with intra-corneal ring segments

Managing cataract surgery in an eye with prior corneal intra-stromal ring segments, such as Intacs, requires careful preoperative evaluation and … More

2731: Piggyback IOL over LAL in RK eye

Patients with prior radial keratotomy have specific challenges when it comes to cataract surgery such as performing accurate IOL power … More

2696: Why I offer all lens implant options

It is essential to offer patients the full range of intraocular lens implant options to provide truly individualized and optimal … More

2665: How to reposition a Toric IOL

Repositioning a toric intraocular lens (IOL) is indicated when postoperative rotation leads to suboptimal astigmatic correction, typically beyond 10 degrees … More

2650: Explanting a segmented ClearView 3

The Lenstec Clearview 3 multifocal intraocular lens (IOL) is designed to provide vision at multiple distances, often reducing the need … More

2598: Avoid MFIOLs in these patients!

These are the patients where I tend to avoid using multi-focal and trifocal IOLs. While these diffractive design MFIOLs can … More

2573: How to adjust IOL calcs for 2nd eye

This is a question that I am commonly asked: the patient had a refractive surprise with the cataract surgery of … More

2486: first patented AI for IOL calcs

Today the idea of using AI to help with complex problems seems obvious, but this was not the case 10 … More

2457: pure myopic cylinder lenticue laser

On our CataractCoach Podcast we featured Dr Ivan Gabric who is advancing the limits of corneal refractive surgery using a … More

2409: secrets to IOL calcs in high myopia

This video is a complete cataract case (this is a sub-category on the CataractCoach.com wesbite of unedited videos of exclusively … More

2389: the secrets to IOL calcs in prior RK

In my practice, every day that I am operating I usually have a few patients with prior radial keratotomy (RK) … More

2346: trifocal IOLs can make you very happy

We are all indebted to the optical engineers who design our IOLs for cataract surgery and this is particularly true … More

2297: hyperopia on the brain!

People like what they like, what they are used to, what just feels right. That applies for many things in … More

2259: toric Evo Visian ICL phakic implant

When I first started to use the Visian ICL phakic lens implant in 2006, it was a different time with … More

2258: Evo Visian ICL phakic lens implant

Our last podcast featured Prof. Arthur Cummings who had some very keen insight about phakic IOLs. One of the key … More

2247: enhanced corneal ectasia treatment

Yesterday’s CataractCoach Podcast featured Prof. Renato Ambrosio, Jr, MD, PhD who is a true world expert in corneal ectasia, keratoconus, … More

2212: What refractive target is best?

Yesterday’s CataractCoach Podcast featured Dr Steven Schallhorn and it was a fascinating discussion that taught me so much. Using a … More

2198: piggyback IOL with a surgical PI

This patient had cataract surgery performed elsewhere which resulted in an unwanted refractive outcome with an IOL power that was … More

2137: Quiz: What is your target refraction?

Time for a CataractQuiz and this case requires more thinking and there is no one perfect answer. This patient is … More

2080: technique of using piggback IOLs

Piggyback IOL refers to a second IOL that is placed in the eye so that there are now two lens … More

2010: EDOF IOLs with Radial Keratotomy

Patients with prior radial keratotomy (RK) often have diurnal fluctuations in vision due to changes in the corneal hydration and … More

2004: understanding Aspheric IOLs

Today almost all of the IOLs that we use have an aspheric design with either negative spherical aberration or zero … More

1986: Evo Visian ICL for high myopia

Lenticular refractive surgery is more powerful than corneal refractive surgery for the treatment of large refractive errors. With refractive lens … More

1962: effect of pupil size for EDOF IOLs

Just like the aperture (f stop) matters for taking photos with a camera, the pupil size plays a large role … More

1961: review of limbal relaxing incisions

As an ophthalmic surgeon, you promised yourself that you would learn to perform limbal relaxing incisions (LRIs) to help address … More

1954: Extended Depth of Focus IOLs

Choose the extended depth of focus IOL that will have best results with fewest compromises. The three main EDOF IOL … More

1947: McDonald PRK technique & meds

Dr Marguerite McDonald’s special technique and medication regimen for PRK laser vision correction

1912: Refractive Lens Exchange High Myopia

We can agree that a refractive lens exchange is a good way to address high hyperopia in presbyopic patients, but … More

1861: curriculum lesson 25: refractive cataract surgery

The final lesson in our 25 part curriculum series is focused on refractive cataract surgery. You can see the entire … More

1829: top 5 pearls for presbyopic IOLs

Presbyopic IOLs, primarily trifocal designs, can make patients very happy. However there are some important considerations in order to achieve … More

1795: IOL exchange is not always the solution

When patients need it, I am a firm believer in IOL exchange. We can go back inside the eye and … More

1794: Eyhance OD and Vivity OS – why?

This patient is a physician from the east coast of the USA (more than 3000 km from my clinic) who … More

1790: Art of Refractive Cataract Surgery

Cataract surgery is so much more than just clearing the visual axis of opacities! Cataract surgery is our most powerful … More

1776: refractive lens exchange for hyperopia

For patients over age 60 with significant degrees of hyperopia, a refractive lens exchange (RLE) tends to be the preferred … More

1750: paired incisions for astigmatism

Doing refractive cataract surgery is becoming the norm with patients desiring correction of refractive errors at the same time as … More

1685: Primer on how to perform LASIK

Best pearls for learning to perform LASIK

1677: cataract surgery & phakic IOL removal

This patient had a phakic IOL placed many years ago for the treatment of a high degree of axial myopia. … More

1669: Juvene IOL – Grail Study Results

Truly accommodating IOL offers promising results Ophthalmologists have been searching for effective ways to address presbyopia for many decades, particularly … More

1658: IOL calc case study 10: amblyopia

We often have patients with a history of amblyopia who are now presenting for cataract surgery. The cause of the … More

1647: do you trust intra-op aberrometry?

The idea behind intra-operative aberrometry is great: measure the eye in the aphakic state and then you can determine the … More

1643: limitations with the Vivity IOL

***I mis-spoke at the 1 min mark: small aperture is more depth of field and longer shutter time. The large … More

1635: Would you do an IOL exchange?

Let’s say that you have a patient who already had cataract surgery more than a year ago. At that time … More

1593: this EDOF patient will be amazed

What are the factors for success with EDOF (extended depth of focus) IOLs? How can we ensure that the patient … More

1522: pupil size affects EDOF IOL vision

As surgeons, we know that the refractive outcome for each patient depends on our surgical technique, the calculations, the technology, … More

1479: ASCRS case 10: topo & tomography

How do you make a surgical plan to correct astigmatism when the keratometer, topographer, and tomographer show differing degrees and … More