Tanaka et al developed a score for grading the corneal changes in a patient with allergic conjunctivitis. The authors are from Tokyo Dental College in Chiba.
Patient selection: allergic conjunctivitis
Corneal Changes
Score
none (normal, clear cornea)
0
superficial punctate keratitis (SPK) involving < 50% of cornea
1
superficial punctate keratitis (SPK) involving >= 50% of cornea
2
erosion and/or defect in the corneal epithelium
3
corneal ulcer and/or plaque
4
The higher the score the more severe the corneal damage.
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