Juvenile Xanthogranuloma
Specialty: Glaucoma
Type: Online Grand Rounds
Include in Catalogue?: Yes
Presenter(s): Lindsay Foley, MD
Faculty Discussant(s): Sander R. Dubovy, MD; Angela Y. Zhu, MD
Presenter/Faculty: Dubovy, Foley, Zhu
Juvenile Xanthogranuloma A baby was referred for a new-onset subconjunctival lesion in the right eye. He was found to have a thickened, yellow corneoscleral lesion and hyphema, presumed to be ocular juvenile xanthogranuloma (JXG). He was started on topical steroids as empiric treatment, with initia…
Kabuki Syndrome Associated Euryblepharon and Ptosis Repair with Post Operative Hematoma
Type: Online Grand Rounds
Include in Catalogue?: Yes
Presenter(s): Sugi Panneerselvam, MD
Faculty Discussant(s): Thomas E. Johnson, MD
Presenter/Faculty: Johnson, Panneerselvam
Kabuki Syndrome Associated Euryblepharon and Ptosis Repair with Post Operative Hematoma A teenager with a history of Kabuki Syndrome presents to the ophthalmology clinic for evaluation of bilateral ptosis and eye rubbing, and epiphora. Best corrected visual acuity is 20/40 bilaterally, intraocular …
Kaposi Sarcoma of the Eyelid
Specialty: Ocular Oncology
Type: Ophthalmic Images
Include in Catalogue?: Yes
Original Contributor(s): Benjamin Meyer, MD; Andrew J. Rong, MD
Presenter/Faculty: Meyer, Rong
This patient presented with 1 month of left eyelid swelling. MRI showed infiltration in the periorbital soft tissues. Absolute CD4 count was 27 and the diagnosis was made with immunohistochemistry positive for HHV8. The patient was started on HAART therapy, the local lesions were treated with nitro…
Kaposi's Sarcoma
Specialty: Corneal and External Diseases
Type: Ophthalmic Images
Include in Catalogue?: Yes
Original Contributor(s): Flavius Beca, MD
Presenter/Faculty: Beca
Kaposi's sarcoma of the conjunctiva.
Kaposi's Sarcoma of the Conjunctiva
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): Flavius Beca, MD
Faculty Discussant(s): Sander R. Dubovy, MD; Carol L. Karp, MD
Presenter/Faculty: Beca, Dubovy, Karp
Kaposi's Sarcoma of the Conjunctiva A patient presented to the BPEI Emergency Room with a painless red eye for the past 3 months. Past medical history was limited to a recent hospitalization for a complicated pneumonia and a new diagnosis of HIV. Examination of the eye revealed an elevated, vascula…
Keratitis Due to Severe Sinonasal Disease with Underlying Granulomatosis with Polyangiitis
Specialty: Corneal and External Diseases
Type: Online Grand Rounds
Include in Catalogue?: Yes
Presenter(s): Yasman Moshiri, MD
Faculty Discussant(s): Guillermo Amescua, MD; Carol L. Karp, MD
Presenter/Faculty: Amescua, Karp, Moshiri
Keratitis Due to Severe Sinonasal Disease with Underlying Granulomatosis with Polyangiitis A young patient with no known prior medical history presents with decreased vision and pain in the right eye. On presentation, patient’s exam was notable for visual acuity of 20/150 in the right eye and 20/…
Keratoacanthoma
Specialty: Corneal and External Diseases
Type: Ophthalmic Images
Include in Catalogue?: Yes
Original Contributor(s): Humberto Salazar, III, MD
Presenter/Faculty: Salazar
Keratoacanthoma
Keratoprosthesis Endophthalmitis
Specialty: Corneal and External Diseases
Type: Ophthalmic Images
Include in Catalogue?: Yes
Original Contributor(s): Nimesh A. Patel, MD; Guillermo Amescua, MD; Janet L. Davis, MD
Presenter/Faculty: Patel, Amescua, Davis
Keratoprosthesis infiltrate and epithelial defect. There was progression with pain and and vitritis that led to removal of the prosthesis.
Klebsiella Endogenous Endophthalmitis
Specialty: Retina and Vitreous Diseases
Type: Ophthalmic Images
Include in Catalogue?: Yes
Original Contributor(s): Brandon Pham, MD; Nicolas A. Yannuzzi, MD
Presenter/Faculty: Pham, Yannuzzi
This photo demonstrates a large amelanotic yellow/white lesion that appears elevated in the temporal macula with adjacent vasculitis and multifocal hemorrhage. CT scan showed a large hypoattenuating lesion within the right lobe of the liver concerning for a liver abscess. The cultures grew Klebsiel…
Knobloch Syndrome
Specialty: Pediatric Ophthalmology and Strabismus
Type: Online Grand Rounds
Include in Catalogue?: Yes
Vetted By: Audina M. Berrocal, MD
Vetted Date: June 10, 2025
Presenter(s): Benjamin J. Fowler, MD, PhD
Faculty Discussant(s): Audina M. Berrocal, MD; Craig A. McKeown, MD
Presenter/Faculty: Berrocal, Fowler, McKeown
Knobloch Syndrome An infant presented to the eye clinic with nystagmus. The patient underwent examination. Initial eye examination revealed horizontal nystagmus, a midline occipital scalp lesion, hypoplastic macula in both eyes, and high myopia (greater than -15.0 D in both eyes). Given a family hi…
Lamellar Keratectomy, Corneal Patch Graft, Sutured Amniotic Membrane for Neurotrophic Corneal Ulcer with Descemetocele
Specialty: Corneal and External Diseases
Type: Surgical Videos
Include in Catalogue?: Yes
Original Contributor(s): Paula W. Feng, MD; Rahul Singh Tonk, MD
Presenter/Faculty: Feng, Tonk
Lattice Corneal Dystrophy
Specialty: Corneal and External Diseases
Type: Online Grand Rounds
Include in Catalogue?: Yes
Vetted By: Anat Galor, MD, MSPH
Vetted Date: April 22, 2025
Presenter(s): Caroline L. Lieux, MD
Faculty Discussant(s): Anat Galor, MD, MSPH; Jayne S. Weiss, MD
Presenter/Faculty: Galor, Lieux, Weiss
Lattice Corneal Dystrophy Lattice corneal dystrophy is a rare disease with a variety of etiologies. Historically, corneal dystrophies have been defined as bilateral, progressive processes that start in a patient’s first to second decade of life and have no correlation with systemic illnesses. Whi…
Leadership in an Era of Uncertainty
Specialty: Other
Type: Other Lectures
Include in Catalogue?: Yes
Presenter(s): Paul P. Lee, MD, JD
Presenter/Faculty: Lee
Leber's Hereditary Optic Neuropathy
Specialty: Neuro-Ophthalmology
Type: Online Grand Rounds
Include in Catalogue?: Yes
Presenter(s): Amir Faramarzi, MD
Faculty Discussant(s): Byron L. Lam, MD
Presenter/Faculty: Faramarzi, Lam
Leber's Hereditary Optic Neuropathy A patient came to ED due to subacute decreased vision in his right eye since 1/2023. He had a history of decreased vision in his left eye following phacoemulsification surgery in Oct 2022. BCVA was 20/70 OD and 20/400 OS Past medical history was positive for HTN,…
Lens
Specialty: Cataracts and Intraocular Lenses
Type: Medical Student Education
Include in Catalogue?: Yes
Presenter(s): Chris R. Alabiad, MD
Presenter/Faculty: Alabiad
In this module, we will look at:
Anatomy of the Lens
Cataracts
Leukemic Optic Nerve Infiltrate
Specialty: Neuro-Ophthalmology
Type: Ophthalmic Images
Include in Catalogue?: Yes
Original Contributor(s): Byron L. Lam, MD; Caroline L. Lieux, MD
Presenter/Faculty: Lam, Lieux
A pediatric patient with leukemic infiltrate of the optic nerve in both eyes.
Leukemic Optic Neuropathy
Specialty: Neuro-Ophthalmology
Type: Online Grand Rounds
Include in Catalogue?: Yes
Vetted By: Byron L. Lam, MD
Vetted Date: May 12, 2025
Presenter(s): Caroline L. Lieux, MD
Faculty Discussant(s): Byron L. Lam, MD
Presenter/Faculty: Lam, Lieux
Leukemic Optic Neuropathy Leukemic optic neuropathy is a rare entity that is characterized as optic nerve dysfunction resulting from direct infiltration of neoplastic leukocytes. It is an indicator of central nervous system involvement, and it is a neuro-ophthalmic and oncologic emergency that warr…
Lipemia Retinalis
Specialty: Retina and Vitreous Diseases
Type: Online Grand Rounds
Include in Catalogue?: Yes
Presenter(s): Ronaldo Nuesi, MD
Faculty Discussant(s): Nicolas A. Yannuzzi, MD
Presenter/Faculty: Nuesi, Yannuzzi
Lipemia Retinalis A patient with past ocular history of nonproliferative diabetic retinopathy presented for routine examination to retina clinic. Patient had no vision concerns nor any systemic symptoms on review of systems. On examination, patient found to have cream colored large calibre vessels …
Lisch Corneal Dystrophy
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): Lily Zhang, MD
Faculty Discussant(s): Sander R. Dubovy, MD; Carol L. Karp, MD
Presenter/Faculty: Dubovy, Karp, Zhang
Lisch Corneal Dystrophy A patient presented with blurry vision in the left eye and was found to have a pigmented superficial corneal lesion which showed hyperreflectivity without thickening on the AS-OCT. The lesion was biopsied and confirmed to be Lisch corneal dystrophy on pathology. The lesion r…
Lisch Corneal Dystrophy
Specialty: Corneal and External Diseases
Type: Ophthalmic Images
Include in Catalogue?: Yes
Original Contributor(s): Carol L. Karp, MD; Lily Zhang, MD
Presenter/Faculty: Karp, Zhang
Slit lamp photo of biopsy proven Lisch Corneal dystrophy.