Viral keratitis
Vernal keratoconjunctivitis
Staphylococcal epithelial keratitis
Pneumococcal conjunctivitis
Seborrheic blepharitis
Keratoconjunctivitis sicca (Sjögren syndrome)
Neurotrophic keratitis
Exposure keratitis
Recurrent corneal erosion syndrome
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Map-dot-fingerprint dystrophy
Molluscum contagiosum
Trauma.