Convert to ICD-10-CM: 
371.31 converts approximately to:
- 2015/16 ICD-10-CM H18.319 Folds and rupture in Bowman's membrane, unspecified eye
 ICD-9-CM Volume 2 Index entries containing back-references to 
371.31:
- Folds, anomalous - see also Anomaly, specified type NEC Bowman's membrane 371.31 Bowman's membrane 371.31
 
- Rupture, ruptured 553.9  Bowman's membrane 371.31 Bowman's membrane 371.31