<unk>  is an inflammation and infection of the eyelid and area around the eye.<unk>  is also called preseptal<unk>  because it affects the structures in front of the septum, such as the eyelid and skin around the eye.<unk>  often occurs from a scratch or insect bite around the eye that leads to infection of the skin. Symptoms can include swelling, redness, pain, and tenderness to touch occurring around one eye only. The affected person is able to move the eye in all directions without pain, but there can be difficulty opening the eyelid, often due to swelling. Also vision is normal.
Periorbital cellulitis
Orbital cellulitis
Blepharitis
Corneal ulcer
Labyrinthitis
Superior limbic keratoconjunctivitis
Lacrimal gland tumor
Cholesteatoma