Dr. Priya Singh's teaching images

Cornea › Herpes simplex keratitis

Herpes Simplex Keratitis - Dendritic Ulcer

Characteristic branching epithelial ulcer with terminal bulbs, typical of HSV epithelial keratitis.

Cornea › Bacterial keratitis

Descemetocele – AS-OCT

AS-OCT demonstrating a descemetocele with forward bulging of Descemet’s membrane at the site of severe corneal thinning (arrow).

Retina Vitreous › Central serous chorioretinopathy

FFA – Ink-Blot Leakage Pattern in CSCR

FFA showing progressive expansion of an ink-blot pattern of dye leakage across multiple phases, characteristic of central serous chorioretinopathy.

Glaucoma › Primary angle-closure glaucoma

Iridocorneal Endothelial (ICE) Syndrome

Slit-lamp photograph showing abnormal corneal endothelium with iris changes and peripheral anterior synechiae, characteristic of ICE syndrome.

Cornea › Bacterial keratitis

Iridocorneal contact (arrow).

Iridocorneal contact with apposition of the peripheral iris to the corneal endothelium

Retina Vitreous › Central serous chorioretinopathy

CSR

OCT macual showing Subretinal Neurosensory detahcment s/o CSR

Neuro Ophtho › Ocular anatomy

Homonymous hemianopia

VF 30-2 of the RE showing left sided hemianopia

Cornea › Contact lens complications

Toxic keratitis

Central Toxic Keratopathy (CTK) is a rare, acute, non-inflammatory complication most commonly linked to excimer laser surgery (LASIK, PTK). Idiopathic cases exist, and associations have been noted with contact lens use, selective laser trabeculoplasty, and topical anesthetics. Clinical features: Central stromal opacity, sometimes with striae, Minimal/no inflammation, Hyperopic shift with decreased visual acuity, OCT: "inverse dome" opacity spanning anterior to posterior stroma. Confocal microscopy: activated keratocytes, possible Descemet's membrane folding. Differential diagnosis (due to similar appearance): Contact lens-induced keratitis, Infectious keratitis, Post-PRK haze, Epithelial ingrowth, Diffuse lamellar keratitis (DLK), Pressure-induced stromal keratitis (PISK),

Cataract Refractive › LASIK

Post LASIK surgery

Epithelial ingrowth seen post operatively on ASOCT

Cornea › Penetrating keratoplasty (PK)

Post operative infected PK

Slit lamp photo showing corneal infiltrate, stromal abcess with exudates (corneal melting), most likely due to pseudomonas infection

Cornea › Penetrating keratoplasty (PK)

Postop picture of a Penetrating Keratoplasty

Clinical teaching image

Cornea › Penetrating keratoplasty (PK)

Full thickness corneal scaring with increasing thickness of cornea

Clinical teaching image

Cataract Refractive › Complicated cataract surgery

ASOCT showing Descemet's membrane detachment

Clinical teaching image

Uvea › Tubercular uveitis

Mutton Fat KPs

Differential diagnosis should also include unusual chronic inflammatory conditions including : Sarcoidosis Syphilis Herpetic uveitis Tuberculosis Vogt-Koyanagi-Harada disease Sympathetic ophthalmia Lens-induced uveitis Brucellosis Lyme disease Leprosy Toxoplasmosis Toxocariasis Coccidioidomycosis (Valley Fever)