Byron L. Lam

Courses tagged with "Byron L. Lam"

UGH Syndrome

Type: Online Grand Rounds
Include in Catalogue?: Yes
Presenter(s): Kristin A. Minkowski, MD
Faculty Discussant(s): David S. Greenfield, MD; Byron L. Lam, MD
Presenter/Faculty: Greenfield, Lam, Minkowski,
UGH Syndrome A patient presented to the glaucoma service with episodes of transient, monocular vision loss, associated with eye color change from blue to brown. Episodes at gradual onset and resolution, lasting hours in duration. Extensive lab and imaging work-up were unrevealing. Examination revea…

Elevated Episcleral Venous Pressure (Idiopathic)

Specialty: Glaucoma
Type: Online Grand Rounds
Include in Catalogue?: Yes
Presenter(s): Alcina Lidder, MD
Faculty Discussant(s): Steven J. Gedde, MD; Byron L. Lam, MD
Presenter/Faculty: Gedde, Lam, Lidder
Elevated Episcleral Venous Pressure (Idiopathic) An otherwise healthy patient without past ocular history presented with left eye redness and no associated symptoms. Her examination was notable for corrected visual acuity of 20/15 and intraocular pressure of 14 mmHg on no topical treatment in the r…

Restrictive Strabismus Secondary to a Large Encapsulated Non-Valved Glaucoma Drainage Implant Fibrotic Capsule

Specialty: Glaucoma
Type: Online Grand Rounds
Include in Catalogue?: Yes
Presenter(s): Humberto Salazar, III, MD
Faculty Discussant(s): Elena Bitrian, MD; Hilda Capo, MD; Byron L. Lam, MD
Presenter/Faculty: Bitrian, Capo, Lam, Salazar
Restrictive Strabismus Secondary to a Large Encapsulated Non-Valved Glaucoma Drainage Implant Fibrotic Capsule A patient with a history of primary open angle glaucoma of both eyes and myopic degeneration with amblyopia and chronic poor central vision of the right eye presented with elevated intraoc…

Leber's Hereditary Optic Neuropathy

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,…

Tolosa Hunt Syndrome

Type: Online Grand Rounds
Include in Catalogue?: Yes
Presenter(s): Caroline L. Lieux, MD
Faculty Discussant(s): Byron L. Lam, MD
Presenter/Faculty: Lam, Lieux
Tolosa Hunt Syndrome Tolosa Hunt Syndrome is an idiopathic inflammatory process of the cavernous sinus of unknown etiology. There are no known risk factors, but an inciting event, such as a viral illness, vaccination, trauma, or tumors, are known to be preceding events that result in nonspecific in…

Thyroid Associated Ophthalmopathy with Compressive Optic Neuropathy

Type: Online Grand Rounds
Include in Catalogue?: Yes
Presenter(s): Naomi E. Gutkind, MD
Faculty Discussant(s): Thomas E. Johnson, MD; Byron L. Lam, MD
Presenter/Faculty: Gutkind, Johnson, Lam
Thyroid Associated Ophthalmopathy with Compressive Optic Neuropathy A patient presented for a second opinion after experiencing pain, proptosis, vision loss, and injection of his left eye for 2 years, with intermittent improvement on systemic steroids. Prior to presentation at our institution, the …

Papilledema from Hypervitaminosis A

Type: Ophthalmic Images
Include in Catalogue?: Yes
Original Contributor(s): Byron L. Lam, MD; Benjamin Meyer, MD
Presenter/Faculty: Lam, Meyer
This patient presented with optic nerve edema. The medical history was significant for acute promyelocytic leukemia being treated with all-trans retinoic acid (ATRA). The picture however worsened in tandem with intracranial hemorrhage from possible intracranial leukemia, raising the concern for leu…

Vitamin A Induced Intracranial Hypertension

Type: Online Grand Rounds
Include in Catalogue?: Yes
Presenter(s): Benjamin Meyer, MD
Faculty Discussant(s): Byron L. Lam, MD
Presenter/Faculty: Lam, Mayer
Vitamin A Induced Intracranial Hypertension A patient was found to have acute promyelocytic leukemia and was started on all-trans-retinoic acid (ATRA). He was also noted to incidentally have bilateral papilledema and MR imaging demonstrated multiple stigmata suggestive of chronically elevated intra…

Optic Nerve Pit

Type: Online Grand Rounds
Include in Catalogue?: Yes
Presenter(s): Caroline L. Lieux, MD
Faculty Discussant(s): Byron L. Lam, MD
Presenter/Faculty: Lam, Lieux
Optic Nerve Pit Optic nerve anomalies are rare entities with a variety of clinical presentations. They can be classified according to anomalies of disc size, disc conformation, or by the presence of abnormal tissue on the optic nerve head, or pseudoswelling. Here, we present a child with an inciden…

Traumatic Optic Neuropathy

Type: Online Grand Rounds
Include in Catalogue?: Yes
Presenter(s): Benjamin R. Lin, MD
Faculty Discussant(s): Byron L. Lam, MD
Presenter/Faculty: Lam, Lin
Traumatic Optic Neuropathy A patient presented with no light perception four days following being hit in the eye with a curling iron. Besides decreased vision, an afferent pupillary defect, and periorbital edema/ecchymosis, clinical exam including of the optic nerve was otherwise unremarkable. Init…

Radiation Optic Neuropathy

Type: Online Grand Rounds
Include in Catalogue?: Yes
Presenter(s): Michael J. Venincasa, MD
Faculty Discussant(s): Byron L. Lam, MD
Presenter/Faculty: Lam, Venincasa
Radiation Optic Neuropathy A patient with a history of skull base meningioma status-post gamma knife radiation presented with three weeks of decreased vision in both eyes. She had no light perception in the right eye and a visual acuity of 20/50 in the left. Magnetic resonance imaging of the brain …

Spontaneous Intracranial Hypotension

Type: Online Grand Rounds
Include in Catalogue?: Yes
Presenter(s): Mariam S. Vila-Delgado, MD
Faculty Discussant(s): Byron L. Lam, MD
Presenter/Faculty: Lam, Vila-Delgado
Spontaneous Intracranial Hypotension A patient presented with sudden onset of postural headaches that improved with recumbency associated with nausea, vomit, photophobia and phonophobia of 5 days of evolution followed by binocular horizontal diplopia at distance and in left gaze. Patient denied rec…

Miller Fisher Syndrome

Type: Online Grand Rounds
Include in Catalogue?: Yes
Presenter(s): Somya Chowdhary, MD
Faculty Discussant(s): Hong Jiang, MD, PhD; Byron L. Lam, MD; Carlos E. Mendoza Santiesteban, MD; Joshua Pasol, MD
Presenter/Faculty: Chowdhary, Jiang, Lam, Mendoza Santiesteban, Pasol
Miller Fisher Syndrome A patient presented with binocular diplopia of 2 weeks duration after COVID-19 infection. Additionally, she had neurological symptoms, weakness, tingling, numbness of extremities. She had been fully vaccinated against COVID-19. On exam her BCVA was 20/20 OU, she was noted to …

Leber Hereditary Optic Neuropathy (LHON)

Type: Online Grand Rounds
Include in Catalogue?: Yes
Presenter(s): Anas Yasin, MD
Faculty Discussant(s): Byron L. Lam, MD; Carlos E. Mendoza-Santiesteban, MD
Presenter/Faculty: Lam, Mendoza-Santiesteban, Yasin
Leber Hereditary Optic Neuropathy (LHON) A previously healthy patient presented to the emergency department (ED) with a 2-week history of bilateral blurry vision associated with painful eye movement. The patient denied eye redness, eye discharge, photophobia, double vision, or headache. The ophthal…

Leukemic Optic Nerve Infiltrate

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

Type: Online Grand Rounds
Include in Catalogue?: Yes
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…

Alstrom Syndrome

Type: Online Grand Rounds
Include in Catalogue?: Yes
Presenter(s): Julia L. Hudson, MD
Faculty Discussant(s): Byron L. Lam, MD; Craig A. McKeown, MD
Presenter/Faculty: Hudson, Lam, McKeown
Alstrom Syndrome A 5-year-old male referred to the BPEI pediatric ophthalmology clinic for second opinion regarding bilateral progressive vision loss since infancy. VA was 20/200 OU and the patient had nystagmus. He was 99% percentile for weight but had no hearing loss or polydactyl. He underwent s…

Bilateral Ischemic Optic Neuropathy Following Buttock Augmentation in an IIH Suspect

Type: Online Grand Rounds
Include in Catalogue?: Yes
Presenter(s): Patrick Staropoli, MD
Faculty Discussant(s): Byron L. Lam, MD
Presenter/Faculty: Lam, Staropoli
Bilateral Ischemic Optic Neuropathy Following Buttock Augmentation in an IIH Suspect A 51-year-old female was transferred from an outside facility 5 days after buttock augmentation surgery in the prone position. On examination, there was no light perception in the right eye and hand motion vision i…

Bilateral Optic Neuritis

Type: Online Grand Rounds
Include in Catalogue?: Yes
Presenter(s): Fawzi D. Abukhalil, MD, MB
Faculty Discussant(s): Byron L. Lam, MD; Hong Jiang, MD, PhD
Presenter/Faculty: Abukhalil, Lam, Jiang
Bilateral Optic Neuritis A 36-year-old male presented to ER with sudden loss of vision in both eyes, associated with sever periorbital pain, photophobia and pain with eye movement. Vision was NLP right eye and 20/70 left eye with a right afferent pupillary defect in the right eye. Eye movements wer…

Cranial Nerve 6 Palsy from Metastatic Cholangiocarcinoma

Type: Online Grand Rounds
Include in Catalogue?: Yes
Presenter(s): Benjamin J. Fowler, MD, PhD
Faculty Discussant(s): Byron L. Lam, MD
Presenter/Faculty: Fowler, Lam
Cranial Nerve 6 Palsy from Metastatic Cholangiocarcinoma A 34-year-old woman presented with 2 weeks of diplopia. The patient had binocular horizontal diplopia with a right cranial nerve 6 palsy and moderate-to-severe headache of 1-week duration. Magnetic resonance imaging (MRI) of the brain and orb…