Diagnostic preparations for medical and veterinary purposes; diagnostic preparations for medical and veterinary purposes, in particular recombinantly or synthetically produced antigens, lysates of microorganisms, preparations for conducting serological tests, biochemical preparations for conducting confirmatory tests; diagnostic preparations for medical and veterinary purposes, in particular immobilised proteins on a carrier/carrier material, in particular a biochip, microbead, nanobead, microsphere, test strip, blot, microtiter plate or membrane; diagnostic preparations for medical and veterinary purposes, in particular immobilised peptides or immobilised polypeptides on a carrier/carrier material, in particular a biochip, microbead, nanobead, microsphere, test strip, blot, microtiter plate or membrane; immunoserological test kits, comprising reagents that are matched to one another for conducting immunoserological tests; test kits for medical and veterinary diagnostic purposes; test kits for medical and veterinary diagnostic purposes, comprising reagents that are matched to one another for conducting diagnostic tests; test kits for medical and veterinary diagnostic purposes, comprising immobilised proteins on a carrier/carrier material, in particular a microbead or a nanobead; test kits for medical and veterinary diagnostic purposes, comprising immobilised peptides or immobilised polypeptides on a carrier/carrier material, in particular a microbead or a nanobead; test kits for medical and veterinary diagnostic purposes, comprising surface modified or surface activated microbeads or nanobeads enabling the coupling of proteins, polypeptides and peptides; reagents for medical and veterinary diagnostic purposes; reagents for medical and veterinary diagnostic purposes, in particular immobilised proteins on a carrier/carrier material, in particular a biochip, microbead, nanobead, microsphere, test strip, blot, microtiter plate or membrane; reagents for medical and veterinary diagnostic purposes, in particular immobilised peptides or immobilised polypeptides on a carrier/carrier material, in particular a biochip, microbead, nanobead, microsphere, test strip, blot, microtiter plate or membrane; all aforementioned goods not for or in connection with ophthalmic and ophthalmological pharmaceutical products.;