| Answer | Crossword Clue |
|---|---|
| LASER | Vision-improving device |
| LASIK | Vision-improving surgery |
| LASIK | Hi-tech vision-improving procedure |
| OPTOMETER | Device for measuring vision. |
| eyelike | device (as a photoelectric cell) that functions in a manner analogous to human vision |
| glass | device used to correct defects of vision or to protect the eyes that consists typically of a pair of glass or plastic lenses and the frame by which they are held in place called also eyeglasses spectacles |
