| Answer | Crossword Clue |
|---|---|
| RODS | Cells useful for seeing at night |
| hemeralopia | the condition of seeing well at night or in partial darkness, while the day sight is poor |
| hemeralopias | HEMERALOPIA, the condition of seeing well at night or in partial darkness, while the day sight is poor |
| nyctalops | (Greek) one afflicted with nyctalopia, the condition of seeing poorly at night or in partial darkness, while the day sight is normal; erroneously, the opposite condition |
| nyctalopes | NYCTALOPS, (Greek) one afflicted with nyctalopia, the condition of seeing poorly at night or in partial darkness, while the day sight is normal; erroneously, the opposite condition |
