1.   This is made of paper-thin material pierced by a number of small lenses.

2.   But thanks to technical advances, Krauss can now wear glasses with small thin lenses held in place by a lightweight frame.

3.   His glasses, with silver-wire rims, had small lenses.

4.   The fuzzy focus was corrected by spacewalking astronauts who installed a pair of large new components equipped with small corrective lenses.

5.   They are good at hiding, very nondescript, mostly just sitting there quietly, so look carefully, using a small magnifying lens.

6.   Underneath both models is a small lens, what Microsoft calls the IntelliEye.