Conjunctival Squamous Cell Carcinoma, Keratoacanthoma Type
Specialty: Corneal and External Diseases
Type: Online Grand Rounds
Include in Catalogue?: Yes
Vetted By: Carol L. Karp, MD
Vetted Date: June 21, 2025
Presenter(s): Jonathan D. Tijerina, MD
Faculty Discussant(s): Sander R. Dubovy, MD; Carol L. Karp, MD
Presenter/Faculty: Dubovy, Karp, Tijerina
Conjunctival Squamous Cell Carcinoma, Keratoacanthoma Type A patient presented with a rapidly enlarging lesion of the nasal conjunctiva of the left eye. The past ocular history was significant only for bilateral surgical removal of cataracts with intraocular lens placement. The patient had a past m…
Cornea
Specialty: Corneal and External Diseases
Type: Medical Student Education
Include in Catalogue?: Yes
Presenter(s): Chris R. Alabiad, MD
Presenter/Faculty: Alabiad
In this module, we will look at:
Corneal Anatomy
Refractive Errors
Dry Eye Syndrome
Corneal Infections
Immune Mediated Corneal Disease
Corneal Ectasias and Degenerations
Corneal Decompensation
Specialty: Corneal and External Diseases
Type: Online Grand Rounds
Include in Catalogue?: Yes
Presenter(s): Caroline L. Lieux, MD
Faculty Discussant(s): Sander R. Dubovy, MD; Anat Galor, MD, MSPH
Presenter/Faculty: Dubovy, Galor, Lieux
Corneal Decompensation Corneal decompensation in the setting of glaucoma surgery is a complex entity that is poorly understood. Endothelial cell loss occurs from both the glaucoma itself and from the placement of intraocular glaucoma devices. This decline in endothelial cells occurs via direct and …
Corneal Decompensation Due to Cosmetic Iris Implants
Specialty: Corneal and External Diseases
Type: Ophthalmic Images
Include in Catalogue?: Yes
Original Contributor(s): Guillermo Amescua, MD; Elena Bitrian, MD; Naomi E. Gutkind, MD
Presenter/Faculty: Amescua, Bitrian, Gutkind
A patient with bilateral corneal edema and elevated intraocular pressure due to cosmetic iris implants. Slit lamp photos showing left worse than right corneal edema, with distortion of native iris behind the implant. High resolution ultrasound biomicroscopy showing iris implant resting in the angle…
Corneal Edema and Secondary Angle Closure Glaucoma Due to Cosmetic Iris Implants
Specialty: Corneal and External Diseases
Type: Online Grand Rounds
Include in Catalogue?: Yes
Presenter(s): Mya Abousy, MD
Faculty Discussant(s): Elena Bitrian, MD
Discussant(s): Jonathan D. Tijerina, MD, MA
Presenter/Faculty: Abousy, Bitrian, Tijerina
Corneal Edema and Secondary Angle Closure Glaucoma Due to Cosmetic Iris Implants Cosmetic iris implants have gained significant popularity in the media in the past 20 years. Despite their appeal to thousands of individuals across the globe, these implants have vision-threatening consequences. This …
Corneal Neurotization
Specialty: Corneal and External Diseases
Type: Surgical Videos
Include in Catalogue?: Yes
Original Contributor(s): Guillermo Amescua, MD; Elli Park, MD; Andrew J. Rong, MD
Presenter/Faculty: Amescua, Park, Rong
Corneal Neurotization
Specialty: Corneal and External Diseases
Type: Ophthalmic Images
Include in Catalogue?: Yes
Original Contributor(s): Guillermo Amescua, MD; Elli Park, MD; Andrew J. Rong, MD
Presenter/Faculty: Amescua, Park, Rong
This patient presented with left-sided CN 5, 6, 7, and 8 palsies leading to multiple emergency visits for corneal erosions and infectious corneal ulcers. Prior treatment was with amniotic membrane discs, superficial keratectomy with EDTA, botox tarsorrhaphy, and a surgical ertractor reinsertion wit…
Corneal Scar
Specialty: Corneal and External Diseases
Type: Ophthalmic Images
Include in Catalogue?: Yes
Original Contributor(s): Ellen Koo, MD; Imane Tarib, MD
Presenter/Faculty: Koo, Tarib
Central corneal scar.
Corneal Tissue Addition Keratoplasty
Specialty: Corneal and External Diseases
Type: Ophthalmic Images
Include in Catalogue?: Yes
Original Contributor(s): Ellen Koo, MD; Imane Tarib, MD
Presenter/Faculty: Koo, Tarib
Slit lamp photograph and Anterior Segment OCT in the peripheral and central cornea in a patient with Keratoconus after undergoing corneal tissue addition keratoplasty.
Cosmetic Iris Implant
Specialty: Corneal and External Diseases
Type: Online Grand Rounds
Include in Catalogue?: Yes
Presenter(s): Naomi E. Gutkind, MD
Faculty Discussant(s): Guillermo Amescua, MD; Elena Bitrian, MD
Presenter/Faculty: Amescua, Bitrian, Gutkind
Cosmetic Iris Implant A patient presented for bilateral blurred vision and eye pain of 3 days duration. The patient had previously undergone bilateral LASIK and cosmetic iris implantation. He was found to have decreased vision of 20/800 on the right eye and could see the 20/200 E when held at his f…
Descemet Membrane Anterior Keratoplasty
Specialty: Corneal and External Diseases
Type: Surgical Videos
Include in Catalogue?: Yes
Original Contributor(s): Jerry Hsu, MD, MS; Victor L. Perez, MD
Presenter/Faculty: Hsu, Perez
Diabetes Managed with Anterior Chamber Islet Cell Transplant
Specialty: Corneal and External Diseases
Type: Online Grand Rounds
Include in Catalogue?: Yes
Presenter(s): Samera Ahmad, MD
Faculty Discussant(s): Midhat H. Abdulreda, MS, PhD; Victor L. Perez, MD; Sonia H. Yoo, MD
Presenter/Faculty: Abdulreda, Ahmad, Perez, Yoo
Diabetes Managed with Anterior Chamber Islet Cell Transplant A patient with past medical history of uncontrolled diabetes and open globe injury of the right eye presents with blurred vision in her left eye. She had LP vision in her right eye. Her examination demonstrated changes consistent with pri…
DSEK Interface Keratitis due to Candida
Specialty: Corneal and External Diseases
Type: Online Grand Rounds
Include in Catalogue?: Yes
Presenter(s): Matias A. Soifer, MD
Faculty Discussant(s): Guillermo Amescua, MD; Sonia H. Yoo, MD; Sander R. Dubovy, MD
Presenter/Faculty: Amescua, Dubovy, Soifer, Yoo
DSEK Interface Keratitis due to Candida We present a case report of a patient with a history of DSEK 14 months ago, who presented to our clinic with late onset interface keratitis. Confocal microscopy revealed spores, suggestive of Candida. Patient failed medical therapy with intrastromal injection…
Dystrophic Epidermolysis Bullosa
Specialty: Corneal and External Diseases
Type: Online Grand Rounds
Include in Catalogue?: Yes
Presenter(s): Ibrahim Sayed-Ahmed, MD, MS
Faculty Discussant(s): Alfonso L. Sabater, MD, PhD
Presenter/Faculty: Sabater, Sayed-Ahmed
Dystrophic Epidermolysis Bullosa A child presented to BPEI in 2013 with symblepharon and limbal stem cell deficiency in both eyes. His visual acuity (VA) was 20/40 in his right eye and 20/80 in the left. He came back one year later in 2014 with an advanced inferior symblepharon, covering the visual…
Epithelial Downgrowth
Specialty: Corneal and External Diseases
Type: Online Grand Rounds
Include in Catalogue?: Yes
Vetted By: Carol L. Karp, MD
Vetted Date: June 21, 2025
Presenter(s): Erin Ong, MD
Faculty Discussant(s): Sander R. Dubovy, MD; Carol L. Karp, MD
Presenter/Faculty: Dubovy, Karp, Ong
Epithelial Downgrowth A patient with a history of bilateral corneal transplants, glaucoma drainage device, and iris cysts presented with gradually decreasing vision after surgical removal of the cyst and cataract surgery in that eye. The patient was diagnosed with epithelial downgrowth and underwen…
Epithelial Downgrowth
Specialty: Corneal and External Diseases
Type: Online Grand Rounds
Include in Catalogue?: Yes
Presenter(s): Lily Zhang, MD
Faculty Discussant(s): William W. Culbertson, IV, MD; Sander R. Dubovy, MD; Carol L. Karp, MD
Presenter/Faculty: Culbertson, Dubovy, Karp, Zhang
Epithelial Downgrowth A patient with ocular history of ruptured globe presented with a new pupillary membrane. Argon laser photocoagulation showed blanching of the iris epithelium concerning for epithelial downgrowth. A biopsy of this membrane was positive for epithelial downgrowth. It was observed…
Epithelial Downgrowth
Specialty: Corneal and External Diseases
Type: Ophthalmic Images
Include in Catalogue?: Yes
Original Contributor(s): Lily Zhang, MD
Presenter/Faculty: Zhang
Sheet form of epithelial downgrowth.
Epithelial Ingrowth Post LASIK
Specialty: Corneal and External Diseases
Type: Ophthalmic Images
Include in Catalogue?: Yes
Original Contributor(s): Hasenin Al-khersan, MD; Nimesh A. Patel, MD; Daniela P. Reyes-Capo, MD
Presenter/Faculty: Al-khersan, Patel, Reyes-Capo
Slit lamp photo post LASIK surgery 2 months prior showing patches of cellular material in the the cornea, worse inferiorly. The anterior segment OCT demonstrates the level of the ingrowth is in the interface of the flap.
Essential Iris Atrophy
Specialty: Corneal and External Diseases
Type: Online Grand Rounds
Include in Catalogue?: Yes
Presenter(s): Nicholas Gurney, MD
Faculty Discussant(s): Sarah Wellik, MD
Presenter/Faculty: Gurney, Wellik
Essential Iris Atrophy A patient presented to clinic as a referral due to uncontrolled elevated intraocular pressure in the right eye. The patient was on brimonidine, timolol/dorzolamide, and latanoprost in the right eye only. The patient denied a history of previous trauma or intraocular surgery. …
Essential Iris Atrophy
Specialty: Corneal and External Diseases
Type: Ophthalmic Images
Include in Catalogue?: Yes
Original Contributor(s): Nicholas Gurney, MD; Sarah Wellik, MD
Presenter/Faculty: Gurney, Wellik
Photos of a patient with unilateral elevated intraocular pressure, iris atrophy resulting in polycoria and corectopia, "beaton bronze" corneal appearance, and peripheral anterior synechiae consistent with Essential/Progressive Iris Atrophy, one of the variants of Iridocorneal Endothelial (ICE) Synd…