| TBN | bacillus emulsion; total body nitrogen |
|---|---|
| W/O | water in oil [emulsion] |
| ACHOO | autosomal dominant compelling helio-ophthalmic outburst [syndrome] |
| COMT | catecholamine O-methyl transferase; certified ophthalmic medical technologist |
| DChO | Doctor of Ophthalmic Surgery |