Vitreous membrane

Vitreous membrane
Schematic diagram of the human eye. Vitreous membrane is not labeled but it surrounds the vitreous, the dark mauve/purple area labeled 'Vitreous Humour'.
The upper half of a sagittal section through the front of the eyeball. Vitreous membrane is not labeled but is visible.
Details
Identifiers
Latin	membrana vitrea
Anatomical terminology [edit on Wikidata]

In human anatomy, the vitreous membrane (also called the vitreous cortex or hyaloid membrane) is a layer of collagen separating the vitreous humour from the rest of the eye. At least two parts have been identified anatomically:

• The posterior hyaloid membrane separates the rear of the vitreous from the retina. It is a false anatomical membrane.^[1]
• The anterior hyaloid membrane separates the front of the vitreous from the lens.^[2]

Bernal et al. describe it as:

A delicate structure in the form of a thin layer that runs from the pars plana to the posterior lens, where it shares its attachment with the posterior zonule via Weigert's ligament, also known as Egger's line.

• Image at ivy-rose.co.uk

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