CRP and Schnyder corneal dystrophy: After 12 weeks, SCD was associated with decreases in PCDAI (21.9 ± 5.5 to 1.9 ± 3.8), whereas most children participating already had normal CRP at baseline (1.3 ± 0.7 mg/dL to 0.9 ± 0.5 mg/dL) and normal or mildly elevated erythrocyte sedimentation rate (ESR) (15.6 ± 13.7 mm/h to 13 ± 14.2 mm/h).