| Rating | Solver | Clue |
|---|---|---|
| PICTURE | Visual image | |
| HOLOGRAM | Unconventional visual image | |
| NONFIGURATIVE | Unconventional visual image starts with no | |
| OPTOGRAM | An image of external objects fixed on the retina by the photochemical action of light on the visual purple. See Optography. | |
| OPTOGRAPHY | The production of an optogram on the retina by the photochemical action of light on the visual purple; the fixation of an image in the eye. The... | |