Table 2.

 Parameters that have to be defined in the production of serum eye drops and previously described variations, storage, and application

Production factor	Published variations
Clotting phase	0–2 days
Centrifugal force	1500 rpm (ca 300 g) to 4000 g (ca 5000 rpm)
Duration of centrifugation	5–20 minutes
Dilution	20%, 33%, 50%, or 100%
Diluent	0.9% NaCl, BSS, 0.5% chloramphenicol eye drops
Container	1–6 ml in insulin syringe or dropper bottle
Storage	−20° to +4° C
Number of daily applications	3 times to hourly

rpm, rounds per minute; g, g force; BSS, balanced salt solution.