Episcleritis

Self-limited inflammation of the episcleral layers (loose connective tissue layers with a vascular plexus between the conjunctiva and the sclera that are contiguous with Tenon's capsule)
Female Adults more common than Male adults and both more common than in children
More common in boys than girls
50% may have a concurrent eye disease

Associated Conditions

Consider if recurrent or other signs consistent with connective tissue disease (joint pain, fevers etc) vascular or dermatologic disease
Possible testing:
- Rheumatoid factor (Rheumatoid Arthritis)
- Antinuclear antibody (collagen vascular disease)
- Serum uric acid (gout),
- Erythrocyte sedimentation rate (inflammation, vasculitis),
- Complete blood count with differential (infection, malignancy)
- VDRL/FTA-ABS (spirochete infection)
- Urinalysis
- PPD or Quantiferon Gold (mycobacteria)
- Chest x-ray (mycobacgteria)
- HLA-B27 (collagen vascular disease)