II. Causes: Bilateral Eyelid Inflammation
- Eyelid Contact Dermatitis (marked edema with erythema)
-
Atopic Dermatitis (erythema, fine scale and lichenification)
- Typical involvement for adult Atopic Dermatitis
-
Autoimmune Conditions
- Dermatomyositis (Heliotrope rash)
- Discoid Lupus (Localized Eyelid lesion)
- Blepharitis
- Seborrhea
- Rosacea
- Pediculosis Ciliaris (eyelash lice)
- Systemic conditions with Eyelid Edema
III. Causes: Unilateral Eyelid Inflammation
- See bilateral causes above (may be asymmetric)
- Herpes Simplex
- Herpes Zoster Ophthalmicus
- Hordeolum (stye) or Chalazion
- Periorbital Cellulitis or Preseptal Cellulitis
- Malignancy
- Basal Cell Carcinoma (90% of Eyelid malignancies)
- Squamous Cell Carcinoma (5-10% of Eyelid malignancies)
- Sebaceous carcinoma (<5% of Eyelid malignancies)
- Cutaneous T Cell Lymphoma