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Cataract Coach™

Professor Uday Devgan MD, renowned Los Angeles cataract surgeon, teaches the Best Techniques for Cataract Surgery. All Content © 2018-2023 Uday Devgan Cataract Coach™

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Category: IOL related

2021: IOL gets entangled with pupil ring

Using a pupil expansion ring, like the Malyugin ring, can be helpful in some cases of a small pupil, but … More

decentered IOL, pupil ring

2018: dislocated IOL replaced with ACIOL

Looking at this title pic, you can see a large degree of capsular phimosis. This progressive constriction of the capsulorhexis … More

ACIOL, dislocated IOL, weak zonular support

2012: Gore-tex suture fixation of tilted IOL

This patient was pseudophakic and then sustained ocular trauma which resulted in zonular loss and a tilting of the IOL … More

gore-tex, sutured IOL

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

EDOF, radial keratotomy, rk

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

aspheric IOLs

1996: negative spherical aberration IOLs

I have a great educational video about spherical aberration and IOLs that is coming out in the next few weeks. … More

IOL

1984: IOL scaffold technique

We have featured the IOL scaffold technique before in cases where there is a posterior capsule rupture and the optic … More

IOL scaffold

1974: knot & flange technique to fixate IOL

When I first performed a sutured IOL about 25 years ago, it was suturing a CZ70BD IOL to the sclera … More

IOL flange, sutured IOL

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

EDOF, IOL design, pupil size

1958: haptic disinsertion with Yamane IOL

The Yamane technique of scleral IOL fixation has grown in popularity over the years and it is a good choice … More

scleral fixated IOL, yamane

1957: challenging opacified IOL exchange

Rarely, IOLs will opacify with time with some designs more prone to this than others. In these cases we need … More

iol exchange, opacified IOL

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

EDOF, IOL differences

1921: retro-iris claw lens for aphakia

This patient has a complex ocular history which resulted in an eye with no capsular support. To address the aphakia … More

aphakia, iris claw lens

1898: IOL exchange with open capsule

There are times when an IOL exchange is the best answer for a challenging clinical situation and in this case, … More

iol exchange

1897: Anchor Style haptics for IOL fixation

This patient experienced a dropped nucleus during cataract surgery with extensive damage to the capsular bag. This poses a challenge … More

scleral fixated IOL

1863: technique of using Piggyback IOLs

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

piggyback IOL

1844: ASCRS 2023 Course Case 4

On Sunday, May 7, 2023 we had our Best of CataractCoach.com course at the ASCRS meeting in San Diego. It … More

ASCRS, IOL

1803: broken IOL complications

IOLs are delicate and when we roll them and compress them in order to fit through smaller incisions, rarely the … More

IOL, iol exchange

1800: dealing with opacified IOLs

There are times when certain hydrophilic acrylic IOLs end up become opaque with time. This is thought to be a … More

explant, iol exchange, opacified IOL

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

iol exchange

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

eyhance, Vivity

1749: Curriculum Lesson 17: IOL delivery

In this next part of our curriculum series, we have lesson 17: IOL delivery. It may sound simple, but injecting … More

curriculum, IOL

1743: measure precisely for Yamane IOLs

Precisely measuring your scleral entry points is critical to center the IOL optic when you are performing Yamane intra-scleral haptic … More

dislocated IOL, yamane

1737: IOL breaks the posterior capsule

We should never devalue cataract surgery or claim that it is such an easy procedure because even in expert hands, … More

capsule rupture, complications

1735: Curriculum Lesson 16: IOL loading

Continuing with lesson 16 in our Curriculum series, focusing on IOL loading. Every surgeon must know how to load the … More

curriculum, IOL

1734: the 7L rule saves the day

The 7L rule has been passed down from one generation of ophthalmologists to the next for many decades. It is … More

upside down IOL

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

phakic IOL

1676: this IOL is going in upside down

The 7L rule makes my life so much easier. This rule states that the leading haptic should look like the … More

upside down IOL

1674: IOL choice in a teenager

This young patient presents with dense posterior subcapsular (PSC) cataracts in both eyes which is severely limiting the vision. The … More

IOL, PSC cataract, young patients

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

accommodation, IOL

1666: IOL exchange for glare, halos

Some patients just cannot tolerate a trifocal IOL design and that is compounded if the refractive target is missed and … More

iol exchange, trifocal

1661: X-NIT simplifies Yamane IOL fixation

Our guest surgeon has developed a novel technique for simplifying the Yamane IOL scleral fixation procedure. Typically with the Yamane … More

scleral fixated IOL, yamane

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

alcon vivity, EDOF

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

iol exchange, trifocal

1631: Marfan Case with Yamane IOL

In cases where the surgeon performs Yamane intra-scleral haptic fixation (ISHF) it is recommended that at least a partial anterior … More

marfan, yamane

1629: can you show more Tecnis cases?

A number of ophthalmologists have asked if I can show more cases using Tecnis IOLs and I am happy to … More

eyhance, tecnis

1619: high power IOLs for radial keratotomy

Over the course of decades, we have found that radial keratotomy (RK) keeps flattening the cornea. Initially these previously myopic … More

hyperopia, radial keratotomy

1617: minus power IOLs – meniscus

This patient is so extremely myopic that the IOL power is -2.0 diopters (minus power) in order to leave the … More

3-piece IOL, complete cataract case, high myopia, ultra myopia

1610: poly-pseudophakia 2 IOLs in 1 eye

Nanophthalmic eyes are among the most challenging when it comes to cataract surgery. There are additional risks and the working … More

2 IOLs, cataract surgery, hyperopia

1608: different ways to explant IOLs

99% of the time the IOL implanted at the time of cataract surgery is the one that the patient will … More

iol exchange

1607: Z-suture technique to secure IOLs

There are so many innovative techniques in ophthalmology, that it is quite a challenge to learn all of them. This … More

sutured IOL

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

cataract surgery, EDOF

1587: IOL scaffold technique

The IOL scaffold technique is where the IOL is implanted prior to removal of the last bits of the cataract. … More

IOL scaffold

1547: Quiz: Why is the IOL decentered?

Look carefully at the picture and see if you can determine why the IOL is decentered? The capsulorhexis looks good … More

cataract quiz, decentered IOL

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

EDOF, pupil size

1511: explanting the bag + IOL + CTR

This patient has late dislocation of the entire capsular bag including the capsular tension ring (CTR) and the IOL. To … More

CTR, iol exchange

1488: Fuchs Dystrophy with EDOF IOL

In the past, I was reluctant to implant an EDOF (extended depth of focus) IOL in patients with corneal issues. … More

EDOF, fuchs

1483: challenging case of ectopia lentis

Our guest surgeon, Dr Guillermo Amescua, is an outstanding surgeon at the Bascom Palmer Eye Institute in Miami, Florida, USA. … More

ectopia lentis, weak zonular support

1480: ASCRS case 11: reposition toric IOLs

Toric IOLs are great for treating significant degrees of corneal astigmatism and in the USA, we have a range that … More

reposition IOL, toric IOL

1478: ASCRS case 9: upside down IOL

You may be surprised to learn that an upside down IOL happens to every single cataract surgeon. The key is … More

upside down IOL

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