Ophthalmic Ultrasound

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Ophthalmic Ultrasound — Contents

Probe selection (high-frequency linear / small footprint), B-scan vs A-scan settings Patient prep, ocular coupling gel, closed-eye technique and safety

Vitreous hemorrhage, posterior vitreous detachment, mobile echoes Retinal detachment (attachment pattern, mobile vs fixed), choroidal detachment

Axial length measurement, IOL calculations & A-scan gating Echo amplitude interpretation for lens, vitreous and retina

Signs of globe rupture, ocular wall integrity & intraocular foreign bodies Retrobulbar hemorrhage and orbital compartment syndrome

Echo patterns in endophthalmitis, pus locules & membrane formation Vitreous opacities in uveitis vs hemorrhage

Choroidal melanoma: internal reflectivity, thickness, extrascleral extension Orbital masses: cellulitis, lymphoma, pseudotumor differentiation

Optic nerve sheath diameter measurement for raised intracranial pressure Optic neuritis, papilloedema correlates and repeatability

Retinoblastoma screening, calcifications and ultrasonic appearance Congenital cataract, persistent hyperplastic primary vitreous

Guided aspiration of vitreous/retrobulbar collections & safety checks Ultrasound-guided orbital biopsy planning

Minimum image set: axial, longitudinal, dynamic sweeps & measurement reporting Key references, imaging atlas & normal values

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Ophthalmic Ultrasound — Bilingual MCQ Panel

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