| Abbreviations | Meaning |
 | OASD | Ocular Albinism-sensorineural Deafness [syndrome] |
| HRT | Heart Rate; Heidelberg Retinal Tomography; Hormone Replacement Therapy; Hormone Replacement Trial |
| HARD | Hydrocephalus-agyria-retinal Dysplasia [syndrome] |
| VL | Vision, Left [eye] |
| OCP | Ocular Cicatricial Pemphigoid |
| BEV | Baboon Endogenous Virus; Beam's Eye View; Berne Virus; Bleeding Esophageal Varix; Bovine Enterovirus |
| VORS | Vestibulo-ocular Reflex Suppression |
| LUL | Left Upper Eyelid; Left Upper Limb; Left Upper Lobe; Left Upper Lung |
| TMB | Transient Monocular Blindness |
| T + 1, T + 2, T + 3 | First, Second, And Third Stages Of Increased Intraocular Tension |
| T-1, T-2, T-3 | First, Second, And Third Stages Of Decreased Intraocular Tension |
| OMD | Ocular Muscle Dystrophy; Oculomandibulodyscephaly; Orbital Maxillary Disjunction; Organic Mental Disorder; Oromandibular Dystonia |
| PPS | Peyer's Patches |
| OU | (oculus Uterque) Each Eye |
| PETT | Pendular Eye-tracking Test; Positron Emission Transverse Tomography |
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