OSDx imaging

Digital Vascular Imaging

DVI uses colour information in a digital ocular-surface image to preferentially display vascular structures related to haemoglobin absorption. It does not require injected dye.

What DVI shows

DVI can make vascular patterns more conspicuous than they are in the original colour photograph. It can help document ocular-surface vascular distribution, focal vascular change and regional differences over time.

Colour and DVI conjunctival vessel comparison — Conjunctival vessels: colour image compared with DVI processing.

Colour and DVI ocular surface comparison — Ocular-surface overview with processed vascular information.

OSSN vascularisation comparison — Lesion-associated vascularisation may be easier to review serially.

DVI chemical injury ischaemia example — Example of conjunctival ischaemia documentation after chemical injury.

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