| DF | decapacitation factor; decontamination factor; deferoxamine; deficiency factor; defined flora [anima... |
|---|---|
| DFA | direct fluorescent antibody; discriminant function analysis; dorsiflexion assistance |
| DFT | diagnostic function test; defibrillation threshold |
| DOFOS | disturbance of function occlusion syndrome |
| DTF | detector transfer function |
| unformed visual hallucination | Hallucination composed of sparks, lights, or bursting spheres of light. (05 Mar 2000) |
|---|---|
| formed visual hallucination | <psychiatry> Hallucination composed of scenes, often landscapes. (05 Mar 2000) |
| functional visual loss | An apparent loss of visual acuity or visual field with no substantiating physical signs; often due to a natural concern about visual loss combined with suggestibility and a fear of the worst; best treated with reassurance. (05 Mar 2000) |