| DFC | developmental field complex; dry-filled capsule |
|---|---|
| DFD | defined formula diets; developmental field defect; diisopropyl phosphorofluoridate |
| EFF | electromagnetic field focusing |
| EFS | electric field stimulation; event-free survival |
| FADF | fluorescent antibody dark field |
| lens, eye | <microscopy> The lens in an eyepiece nearest to the eye. (05 Aug 1998) |
|---|---|
| light-adapted eye | An eye that has been exposed to light, with bleaching of rhodopsin (visual purple) and insensitivity to low illumination. Synonym: photopic eye. (05 Mar 2000) |
| Listing's reduced eye | A representation that simplifies calculations of retinal imagery: radius of anterior refracting surface, 5.1 mm; total length, 20 mm; distance of nodal point to retina, 15 mm. (05 Mar 2000) |