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Fundus photos showing sheathing of the major and minor vasculature. Fluorescein angiography with small vessel vasculitis with diffuse temporal non-perfusion.

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…

Slit lamp photo of biopsy proven Lisch Corneal dystrophy.

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 …

Limbal Stem Cell Deficiency We report a case of severe unilateral chemical-thermal injury complicated by total limbal stem cell deficiency and symblepharon, treated with Simple Limbal Epithelial Transplantation (SLET) combined with conjunctival autografting (CAG). We used an autologous limbal biops…

Leukemic Retinopathy A patient with no significant past medical history presented to BPEI ER complaining of blurry vision in the left eye for two weeks. On fundus exam, he had hemorrhages in multiple layers of the retina, venous dilation and tortuosity, and Roth spots. CBC was obtained which reveal…

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…

A pediatric patient with leukemic infiltrate of the optic nerve in both eyes.

In this module, we will look at:




Anatomy of the Lens


Cataracts

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,…

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…

Leber Hereditary Optic Neuropathy – LHON An 18-year-old healthy man was evaluated in the eye emergency room for acute progressive painless vision loss in both eyes. First was affected a right eye and a six days later, left eye was affected too. Best-corrected visual acuity was 20/800 right eye an…

Leber Hereditary Optic Neuropathy An 18-year-old male presented to the ER with bilateral decreased vision and eye pain for 10 days. His visual acuity was HM OD, 20/300 OS. He was noted to have disc pallor OD and temporal pallor with slight nasal elevation OS on fundus exam. His MRI showed T2 hyper …

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…

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…

Klebsiella Pneumoniae Endogenous Endophthalmitis A 46-year-old healthy male presented with a red and painful eye with a preceding febrile gastrointestinal illness. Examination and work-up revealed concomitant intraocular and liver abscesses that required pars plana vitrectomy, drainage of subretina…

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…

Keratoprosthesis infiltrate and epithelial defect. There was progression with pain and and vitritis that led to removal of the prosthesis.