| Year | 1977 |
| Date | 18-Nov |
| Volume | 143 |
| Issue | 3,573 |
| Page | 1,278 |
| Category | Optical |
| Part | |
| Title | On Eyeglasses and Magnifiers |
| Author | Doctor Derwent Mercer |
| Notes | Simple optics of magnifiers, practical means of avoiding eyestrain, other aids to relaxation, different forms of magnifiers, conclusion |