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Dr. Sarath Chandran

Dr. Sarath Chandran

Resident, Jawaharlal Nehru Medical College

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Contributor images

Open an image for clinical detail, credit, and connected learning.

Anatomy Optics › Corneal anatomy

OSSN with Rose Bengal Stain

Rose Bengal staining highlights the abnormal, devitalized epithelial surface of the OSSN lesion, aiding delineation of the lesion margins.

Anatomy Optics › Choroid anatomy

Ciliary Staphyloma

Ectatic bulging of uveal tissue through thinned sclera in the ciliary body region, appearing as a dark bluish-black swelling.

Ocular Trauma › Eyelid laceration

Full-Thickness Lid Laceration

Traumatic laceration involving the entire thickness of the eyelid, with disruption of the skin, orbicularis, tarsus, and conjunctiva.

Oculoplasty › Orbital cellulitis

Orbital Cellulitis

Untreated orbital cellulitis progressing to a localized collection of pus within the orbit.

Ocular Trauma › Orbital fractures

Traumatic Globe Prolapse

Complete anterior prolapse of the globe following severe orbital trauma, with the eyeball displaced beyond the orbital margins.

Retina Vitreous › Choroidal detachment

Kissing Choroid Sign

B-scan showing bilateral thickened choroidal detachments apposed to each other, producing the characteristic “kissing choroid” appearance.

Neuro Ophtho › Cortical visual impairment

Parietal Optic Radiation Lesion

HFA 30-2 showing inferotemporal quadrantanopia, producing a inferior homonymous quadrantanopia (“pie on the floor”), localizing to the parietal optic radiation.

Cornea › Bacterial keratitis

Pseudocornea

Fibrovascular tissue replacing the cornea following healing of a severe corneal ulcer with extensive stromal destruction.

Glaucoma › Perimetry in glaucoma

Bjerrum’s Chart

Used to assess the central 30° visual field, particularly for detecting and monitoring glaucomatous arcuate scotomas.

Cataract Refractive › Ectopia lentis

Subluxated Lens

Partial displacement of the crystalline lens due to zonular weakness or disruption, with visible lens edge and decentration.

Retina Vitreous › Vitreous hemorrhage

Vitreous Hemorrhage – B-Scan

B-scan showing low-to-moderate amplitude mobile echoes within the vitreous cavity, consistent with vitreous hemorrhage.

Uvea › Tubercular uveitis

Mutton-Fat Keratic Precipitates

Large, greasy-appearing keratic precipitates on the inferior corneal endothelium, classically associated with granulomatous anterior uveitis.

Neuro Ophtho › Papilledema

Papilloedema

Optic disc swelling with blurred disc margins, hyperemia, and obscuration of retinal vessels.

Retina Vitreous › Retinal detachment

Retinal Detachment – B-Scan

B-scan ultrasonography demonstrating a detached, mobile echogenic retinal membrane within the vitreous cavity.

Cornea › Bacterial keratitis

Paracentral Nebular Corneal Opacity

Faint, superficial corneal stromal opacity in the paracentral zone, typically representing a healed corneal lesion.

Oculoplasty › Socket surgery and prosthetics

Prosthetic Eye

Artificial ocular prosthesis designed to restore ocular appearance following loss or severe damage to the eye.

Cornea › Fungal keratitis

Fungal Corneal Ulcer

Corneal ulcer with feathery margins highlighted by fluorescein staining.

Strabismus › Exotropia

Right Eye Gaze Palsy with Exotropia

Collage demonstrating impaired rightward gaze of the right eye with associated exotropia. Differential diagnoses include right medial rectus (oculomotor nerve) palsy, internuclear ophthalmoplegia, supranuclear gaze palsy, and mechanical restriction.

Ocular Trauma › Chemical injury

Firecracker Injury

Soot particles deposited over the cornea and conjunctiva following firecracker-related ocular injury, with traumatic anterior segment and/or posterior segment changes.

Uvea › Tubercular uveitis

Occlusio Pupillae

Dense pupillary membrane completely covering the pupil, preventing visualization of the underlying lens and obscuring the visual axis.

Uvea › Scleritis

Anterior Staphyloma – Pre- and Post-Tectonic Keratoplasty

Collage showing anterior staphyloma with marked corneal ectasia, alongside the postoperative appearance following tectonic keratoplasty.

Cataract Refractive › Complicated cataract surgery

Morgagnian Cataract

Hypermature cataract with liquefied cortex and a dense, brown, sunken nucleus.

Cornea › Fungal keratitis

Fungal Corneal Ulcer

Corneal ulcer with a dry, raised stromal infiltrate, feathery margins, and surrounding satellite lesions, characteristic of fungal keratitis.

Ocular Trauma › Blunt trauma

Iridodialysis

Slit-lamp showing separation of the iris root from its attachment to the ciliary body, creating a peripheral iris defect.

Glaucoma › Uveitic glaucoma

Gonioscopy – Patchy Trabecular Meshwork Pigmentation

Gonioscopic view showing patchy pigmentation of the trabecular meshwork.

Uvea › Tubercular uveitis

Chronic Uveitis with Ectropion Uveae and Mature Cataract

Slit-lamp showing chronic anterior uveitis with ectropion uveae (white arrow) and a mature cataract.

Uvea › Scleritis

Ciliary Staphyloma

Localized ectatic bulging of the ciliary region with thinning and outward protrusion of the uveal tissue through a weakened scleral wall.

Cornea › Penetrating keratoplasty (PK)

Post-Tectonic Keratoplasty

Intraoperative view showing placement of a corneal graft during tectonic keratoplasty to restore the structural integrity of the cornea.

Oculoplasty › Thyroid eye disease

Unilateral Thyroid Ophthalmopathy

Unilateral proptosis with full upper and lower eyelids, without lid retraction, due to thyroid ophthalmopathy, with an associated grade 2 nasal pterygium extending onto the cornea.