The conjunctival fornices are the deep folds where the conjunctiva lining the eyelids turns back to cover the front of the eyeball. The upper fornix is deeper than the lower.
| Location | Upper and lower recesses between the eyelids and the eyeball |
|---|---|
| Parts |
|
| Nerve Supply | Ophthalmic and maxillary nerve branches |
| Blood Supply | Palpebral arcades; Anterior ciliary arteries |
Allow free movement of the eyelids and eyeball and hold a reservoir of tears.
Eye drops are placed into the lower fornix. Foreign bodies may hide under the upper lid in the fornix and require lid eversion. Scarring diseases such as ocular cicatricial pemphigoid shorten the fornices.
A particle trapped in the fornix causing persistent irritation.
Autoimmune scarring that shortens the fornices and can cause blindness.
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