Enzymes for scientific and research purposes in connection with treatment of the eye; chemicals for use in industry and science, namely, chemicals for in-vitro use and analysis in laboratories in connection with treatment for the eye; micro-organisms, cell cultures, plasmids and cultures of micro-organisms, deoxyribonucleic acid sequences, nucleic acid sequences and chemical reagents for other than medical and veterinary purposes, namely, cloning vehicles and vectors and recombinant deoxyribo...