Bowman layer is a tough, acellular sheet of collagen fibres between the corneal epithelium and the stroma, about 8-12 micrometres thick.
| Location | Beneath the corneal epithelium, above the stroma |
|---|---|
| Parts |
|
| Nerve Supply | Long and short ciliary nerves (ophthalmic nerve, trigeminal) |
| Blood Supply | None (avascular; nourished by tears, aqueous humour and limbal vessels) |
Helps the cornea keep its shape and resist injury and infection.
It does not regenerate, so damage heals with scarring that can blur vision. It is removed during surface laser refractive surgery (PRK). Fragmentation is a feature of keratoconus.
Opacity after injury or infection that reaches Bowman layer.
Progressive thinning and coning of the cornea with breaks in Bowman layer.
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