Is there a formula available for a penicillin Collyre?

The following formula is described: After Benzylpeniciline 150mg or 25,000 IU/ml,

Nacitraat 50mg
NaCl 50mg
Water VR injections AD 10ml

The solution is filtered by a sterile 0.2 micrometer membrane filter in a Sterilized eye dropper vial.

the solution is stored in the refrigerator and lasts for fourteen days