| 1 | These are very good for the eye lenses. | |
| 2 | The lens of the eye accommodate to distance. | |
| 3 | This is a cataract - a clouding of the lens inside the eye. | |
| 4 | The doctors then drilled a hole into it to insert a lens. | |
| 5 | High levels of free radicals can damage cells, including those in the lens of the eye. |