- May develop from previous ocular inflammatory conditions such as following corneal surgery, interstitial keratitis, trachoma and contact lens wear.
- Symptoms: usually asymptomatic, but may cause decreased vision if located centrally
- Superficial, elevated multiple bluish-white nodules
- Located at corneal mid-periphery
- May increase in number, elevation, and size
- Simple excision of the lesion
- Excimer laser phototherapeutic keratectomy