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Cataract Coach™

Cataract Coach™

Professor Uday Devgan MD, renowned Los Angeles cataract surgeon, teaches the Best Techniques for Cataract, Glaucoma, Cornea & Refractive Surgery. All Content © 2018-2026 Uday Devgan Cataract Coach™

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Category: zonulopathy

2487: femto cataract with zonular absence

In most cataract surgery cases, the femtosecond laser does not offer any advantage over a proper capsulorhexis performed by an … More

femto laser, femtosecond laser, weak zonular support

2432: fix zonular loss with CTS + Goretex

This is a tough case of a traumatic cataract with about half of the zonular support being compromised (6+ clock … More

sutured IOL, traumatic cataract, weak zonular support

2429: MSICS for PXF with zonular loss

This patient has severe pseudo-exfoliation and you can tell from the pre-operative photo that there will be extensive zonulopathy. The … More

ACIOL, anterior vitrectomy, pseudo-exfoliation

2328: saving the capsular bag in ectopia lentis

This patient has ectopia lentis with severe subluxation of the crystalline lens. Our guest surgeon does a great job of … More

capsular tension segment, sutured IOL, weak zonular support

2321: ectopia lentis from homocystinuria

There are certain rare diseases, such as Marfan syndrome and homocystinuria, which lead to progressive zonulopathy with subluxation of the … More

ectopia lentis, scleral fixated IOL, weak zonular support

2310: fluid misdirection from zonulopathy

Compared to methods of manual cataract extraction, phacoemulsification offers so many benefits such as a smaller incision, a higher margin … More

fluidics, loose zonular support

2256: Quiz: Where is the red reflex?

Time for another Cataract Quiz: You are doing phaco for this patient with a traumatic white cataract and everything seems … More

cataract quiz, traumatic cataract

2255: zonular loss noted during phaco

You are performing phaco chop for this patient with a white cataract and as you start to remove a nuclear … More

CTR, weak zonular support

2248: the challenge of iris colobomas

When we see an iris coloboma, we should also think of other ocular structures that can be affected by this … More

coloboma, CTR, pupilloplasty

2233: you start to chop & the rhexis moves

Yesterday’s informative CataractCoach podcast featured Dr Gary Wörtz and we spoke about a challenging case that he recently completed. This … More

CTR, weak zonular support

2224: using 10 capsular/iris hooks!

This patient has severe pseudo-exfoliation with almost zero capsular support. When the surgeon attempts to start the capsulorhexis, the entire … More

pseudo-exfoliation, weak zonular support

2207: cataract surgery with coloboma

In this tough case the patient has a visually significant cataract but also a congenital coloboma which you can see … More

coloboma, weak zonular support

2193: Best of Cataract Coach: Case 7

Case 7. We had an amazing turnout at our Best of Cataract Coach instructional course at the ASCRS meeting in … More

best of Cataract Coach, CTR

2188: Best of Cataract Coach: Case 3

Case 3. We had an amazing turnout at our Best of Cataract Coach instructional course at the ASCRS meeting in … More

best of Cataract Coach, traumatic cataract, weak zonular support

2178: Morgagnian cataract & IOL scaffold

A Morgagnian cataract is where the lens cortex is so liquefied that the remaining cataract endonucleus floats around inside the … More

IOL scaffold, morgagnian cataract

2167: Hashtag suture to stabilize the IOL

This young patient has Marfan Syndrome and previously underwent pars plana vitrectomy and lensectomy for a dislocated crystalline lens with … More

sutured IOL, yamane

2165: zonular loss and iris prolapse

Every surgeon encounters complications and often times these are out of the control of the surgeon. Imagine a patient who … More

iris prolapse, weak zonular support

2158: How to fix this traumatic cataract?

You cannot fully undo trauma, especially when it comes to the eye and delicate ocular structures. This patient sustained ocular … More

anterior vitrectomy, capsular tension ring, traumatic cataract

2157: What is going on with that CTR?

Inserting a capsular tension ring (CTR) is not as simple as it sounds. This ring has a spring tension to … More

capsular tension ring, CTR, weak zonular support

2136: secure the IOL, CTR, and bag complex

This patient has a history of prior cataract surgery with CTR placement and pseudo-exfoliation glaucoma. You can see an active … More

capsular tension ring, dislocated IOL, scleral fixated IOL, sutured IOL

2132: how to manage a floppy old bag

Once the capsulorhexis is started, it is clear that this patient has severe zonulopathy. The wrinkling of the anterior lens … More

capsular tension ring, weak zonular support

2115: Quiz: What happened with the CTR?

Look carefully at the title photo and let me know what you think is going on with the CTR? What … More

capsular tension ring, CTR, sulcus IOL, weak zonular support

2112: severe anterior capsule phimosis

This patient has severe capsular phimosis which happens where there is weak zonular support and aggressive contraction and fibrosis of … More

capsule scarring, phimosis, weak zonular support

2083: Quiz: how to manage zonular dialysis?

Look at the picture here and you will see a red reflex indicating a quadrant (or more) of zonular laxity … More

capsular tension ring, cataract quiz, traumatic cataract, weak zonular support

2082: traumatic cataract CTR placement

Our guest surgeon presents a case of a traumatic cataract with zonulopathy. A capsular tension ring is implanted prior to … More

capsular tension ring, traumatic cataract, weak zonular support

2077: what is an intra-cap cataract surgery?

I received a couple of emails from young surgeons asking to explain the difference between intra-cap, extra-cap, and MSICS cataract … More

intra-cap, MSICS, weak zonular support

2044: re-op of tough pseudo-exfoliation

Pseudoexfoliation affects only a small percent of patients undergoing cataract surgery, but it is important to recognize because it poses … More

complete cataract case, CTR, pseudo-exfoliation, PXF, weak zonular support

2040: Ahmed segment secured with Gore-tex

This patient presents with a traumatic cataract with extensive zonular loss which means that simply placing an IOL within the … More

gore-tex, sutured IOL, weak zonular support

2032: ectopia lentis with suture fixation

This is a tough case of ectopia lentis where there is absent zonular support for most of the lens equator. … More

loose zonular support, sutured CTR

2019: dislocated IOL, CTR, capsular bag

This patient had cataract surgery years ago and then progressive zonulopathy, such as from pseudo-exfoliation, caused the entire capsular bag … More

CTR, dislocated IOL, yamane

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

2011: Quiz: What is the zonular status?

Time for a Cataract Quiz: Look carefully at this title photo and ask yourself, “Why is this clear crescent visible … More

cataract quiz, traumatic cataract

2006: Marfan Syndrome lens dislocation

We have previously featured videos of cataract surgery in patients with Marfan Syndrome, where there is progressive zonulopathy that results … More

marfan, scleral fixated IOL

2005: pseudo-exfoliation triple surgery

This is a VERY difficult surgery and truly requires expert hands to achieve an excellent outcome. Our guest surgeon does … More

glaucoma, pseudo-exfoliation, scleral fixated IOL, seton, weak zonular support

1992: trypan blue behind the capsule

Trypan blue dye can go behind the capsule and stain the vitreous, pool in front of the anterior hyaloid face … More

trypan blue

1991: zonular weakness during capsulorhexis

Look at the photo here and you just know that the zonular support is globally weak. There are radial wrinkles … More

capsulorhexis, weak zonular support

1989: anterior zonular attachment

This is a very rare case which I have seen in less than 1 out of 1000 cataract surgeries. This … More

weak zonular support

1983: trauma, hyphema, & iris damage

We know that you cannot undo trauma. No matter how talented the surgeon and no matter the part of the … More

hyphema, iris damage, traumatic cataract

1967: behind the scenes traumatic cataract

Our podcast guest yesterday was Dr Brandon Ayres from the Wills Eye Hospital in Philadelphia, USA and explained his stepwise … More

CTR, traumatic cataract, weak zonular support

1963: inadvertent zonular dehiscence

Iatrogenic complications are tough because we blame ourselves for the sequelae of damaging delicate tissues. In this photo you can … More

complications, weak zonular support

1935: Cataract Quiz: What is your next move?

Study this title picture carefully and look at the tip of the yellow arrow. What is going on here? And … More

capsular tension ring, cataract quiz, weak zonular support

1909: zonulopathy with capsule fixation

This patient has extensive zonulopathy and phacodonesis which is going to make the cataract surgery difficult and also pose a … More

sutured IOL, weak zonular support

1905: Cataract Quiz: What does this tell you?

Stop reading and look carefully at the title picture here. What does this tell you? Seriously, stop reading and study … More

cataract quiz, weak zonular support

1859: MSICS with iris & lens coloboma

This is a tough case of a dense cataract in a patient with an iris and lens coloboma. This means … More

coloboma, MSICS

1842: ASCRS 2023 Course Case 2

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

ASCRS, traumatic cataract

1820: monocular with pseudo-exfoliation

Ophthalmologists are very familiar with pseudo-exfoliation syndrome since it makes the cataract surgery more challenging due to poor dilation or … More

capsular tension ring, complete cataract case, pseudo-exfoliation

1810: severe zonular loss with Cionni ring

Cases like this are stressful and just looking at this picture should make your heart beat faster. There is a … More

capsular tension ring, weak zonular support

1799: posterior polar with zonular loss

We know that posterior polar cataract cases are challenging because at the site of the opacity the posterior capsule is … More

posterior polar cataract, weak zonular support

1787: tilted nucleus with severe zonular loss

This lens is so loose that it is shaking around inside the eye – a severe case of phacodonesis. This … More

weak zonular support

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