| Answer | Crossword Clue |
|---|---|
| optometers | An instrument for testing the refractive power of the eye |
| optometer | An instrument for testing the refractive power of the eye |
| ophthalmoscope | an instrument for viewing the interior of the eye |
| ophthalmoscopes | OPHTHALMOSCOPE, an instrument for viewing the interior of the eye |
| ophthalmoscopes | An instrument for inspecting the retina and other parts of the eye |
| ophthalmoscope | An instrument for inspecting the retina and other parts of the eye |
| gonioscope | an instrument used for examining the structures of the eye between the cornea and the lens that are not directly visible |
| gonioscopes | GONIOSCOPE, an instrument used for examining the structures of the eye between the cornea and the lens that are not directly visible |
