| LHON | Leber hereditary optic neuropathy |
|---|---|
| LOA | leave of absence; Leber optic atrophy; left occipitoanterior [fetal position] |
| MOD | magnetic optic disk; maturity onset diabetes; Medical Officer of the Day; mesio-occlusodistal |
| OA | obstructive apnea; occipital artery; occipito-anterior; occiput anterior; octanoic acid; ocular albi... |
| OAK | Kjer optic atrophy |