Where used:
| Class | PATIENT | references in description PAYMENT FROM PATIENT RECEIVED |
| Class | SIGHT TEST | has attribute PAYMENT FROM PATIENT RECEIVED |
| Class | SPECTACLE SUPPLY OR REPAIR FUNDED | has attribute PAYMENT FROM PATIENT RECEIVED |
| Class | PATIENT | references in description PAYMENT FROM PATIENT RECEIVED |
| Class | SIGHT TEST | has attribute PAYMENT FROM PATIENT RECEIVED |
| Class | SPECTACLE SUPPLY OR REPAIR FUNDED | has attribute PAYMENT FROM PATIENT RECEIVED |