Optically empty vitreous

What it means

Vestigial vitreous gel occupying the immediate retrolental space and minimal to no discernible gel in the central vitreous cavity, giving the appearance of an empty vitreous cavity.

Rare diseases that can present with this1

The range is how often this sign appears among people diagnosed with each disease — it is not a probability of having any of them. Many of these signs also occur in common, non-rare conditions. A sign on this page is a conversation to have with a clinician, not a conclusion.

Part of the broader category