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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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Tag: weak zonular support

1751: for capsule wrinkling, I do this…

This is a complete cataract case, shown start to finish, where the anterior lens capsule wrinkles upon attempted puncture for … More

capsule wrinkle, complete cataract case, weak zonular support

1740: dead capsular bag syndrome

In rare cases, years after a cataract surgery, we can have complete loss of zonular support with dislocation of the … More

dislocated IOL, weak zonular support

1730: belt loop to fixate Ahmed segment

This patient sustained ocular trauma which resulted in loss of zonular support for about 180 degrees, allowing tilt and decentration … More

sutured IOL, weak zonular support

1724: coloboma with zonular absence

Today and tomorrow we are featuring cases with congenital colobomas where there is an absence of part of the iris … More

coloboma, weak zonular support

1718: Marfan syndrome subluxed lens

Marfan syndrome patients develop a progressive zonulopathy with subluxation of the crystalline lens which leads to visual decline. While still … More

marfan, weak zonular support

1711: severe PXF and zonulopathy

This is a very challenging surgery and most surgeons would rate it a 9 or 10 out of 10 in … More

CTR, pseudo-exfoliation, weak zonular support

1688: post-trab cataract with weak zonule

The most important take home message in this video is when you see the capsulorhexis moving you should immediately think … More

CTR, weak zonular support

1686: dense cataract iris & zonular loss

This case is beyond 10 out of 10 in difficulty and our guest surgeon, Dr Steve Safran, is a true … More

iris damage, sutured IOL, weak zonular support

1670: traumatic cataract with iris damage

This patient sustained ocular trauma which resulted in a traumatic cataract, zonular loss, iris avulsion, and vitreous prolapse. Now you … More

iris damage, sutured CTR, traumatic cataract, weak zonular support

1659: when the anterior capsule wrinkles

Just looking at these two screenshots makes me take a deep breath. The anterior lens capsule is supposed to be … More

capsule wrinkle, weak zonular support

1638: surprise zonular weakness

This resident surgeon does a good job with this tough case of a traumatic cataract. The intumescent liquefied lens cortex … More

resident cataract surgery, weak zonular support, white cataract

1632: sphincterotomy & bag handle

The two techniques shown in this video have not been previously featured on CataractCoach and since they are from the … More

small pupil cataract surgery, weak zonular support

1551: challenging traumatic cataract

When dealing with a traumatic cataract, the extent of tissue damage is not always fully understood until the surgery begins. … More

CTR, traumatic cataract, weak zonular support

1527: resorbed cataract with zonular loss

This patient sustained trauma to his eye years ago and that resulted in a cataract which, over time, became liquefied … More

traumatic cataract, weak zonular support

1521: when the anterior capsule wrinkles…

Wrinkling of the anterior capsule during the performance of the capsulorhexis can be concerning because it indicates that zonular support … More

complete cataract case, loose zonular support, weak zonular support

1485: how I know zonular support is weak

Weak zonular support makes cataract surgery far more challenging and increases the potential risks such as vitreous prolapse, retained lens … More

capsular tension ring, traumatic cataract, weak zonular support

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

1453: Quiz: What is your next step?

This is a tough case where the nucleus is very dense and difficult to chop, but the bigger challenge is … More

brunescent, capsular tension ring, dense cataract, weak zonular support

1422: IOL surgery for ectopia lentis

While having a dislocated crystalline lens is a rare occurrence, it can pose surgical challenges due to the lack of … More

sutured IOL, weak zonular support

1401: nucleus division with weak zonules

Our guest surgeon shows two techniques that can be useful in cases where the zonular support is weak. There is … More

nucleo-fractis, weak zonular support

1273: that’s not cortex being aspirated…

This is a good learning case, and I am thankful to Dr Amar Kulkarni for submitting it. We see zonular … More

CTR, weak zonular support

1248: surgeon surprised by zonular loss

A careful slit-lamp microscope examination of the eye during the pre-operative consultation can pick up most cases of compromised zonular … More

traumatic cataract, weak zonular support

1232: traumatic loss of zonular support

This patient sustained severe ocular trauma that resulted in loss of more than 180 degrees of zonular support. He has … More

capsular tension ring, traumatic cataract, weak zonular support

1144: white cataract intra-capsular surgery

Decades ago the standard cataract surgery was an intra-capsular cataract extraction. This involved making a large incision, injecting alpha chymotrypsin … More

weak zonular support, white cataract

1133: Capsule grabbed with phaco probe

Ideally, you want the tip of the phaco probe to stay in the central zone of the anterior segment and … More

resident cataract surgery, weak zonular support

1068: sutured capsular tension segment

This patient was born with a lens coloboma where part of the crystalline lens did not develop and there is … More

capsular tension segment, coloboma, weak zonular support

1053: that’s not cortex you’re pulling!

In this anonymously submitted video, we see that if the capsule is inadvertently grabbed by the suction from the I/A … More

weak zonular support

This subtle sign indicates weak zonules!

This is a very subtle sign — looking at this title pic, we see a demarcation line just inside the … More

weak zonular support

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