Optical has 3 syllables and the stress is on the first syllable.
| # | Sentence | |
|---|---|---|
| 1. | The company faced a major interruption in business when a fire destroyed their archive of computer hard drives and optical discs. | |
| 2. | This looks longer than that, but it is an optical illusion. | |
| 3. | Lenses with two distinct optical powers are also called "bifocals". | |
| 4. | Optical radar uses light, unlike normal radar, which uses radio waves. | |
| 5. | Ours are quality frames and not low quality articles. Eyeglasses of this kind are considerably more expensive in any optical shop. | |
| 6. | The use of optical instruments with this product will increase eye hazard. | |
| 7. | Here's an optical illusion: you think you are looking at a cube, but in fact you are looking at the screen. | |
| 8. | Here's an optical illusion: you think you are looking at a cube, while in fact you are looking at the screen. | |
| 9. | Here's an optical illusion: you think you are looking at a cube, while in fact you are looking at your monitor. | |
| 10. | When the full moon, gleaming silver, rises over the horizon, it seems significantly larger than when it has progressed farther on its nightly path, standing high in the heavens. Amazingly, this is an optical illusion. |