Word: lensed
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Dates: during 1970-1979
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Try this lens .
A heavier lens! And now?
Oh I see! Try this lens!
...Your story on soft contact lenses [May 31] states that Griffin Laboratories "only last month received Food and Drug Administration approval to begin testing its product." To the contrary, the clinical testing commenced more than 18 months ago when an Investigational New Drug exemption for the Griffin lens was issued by the FDA. Since that date, the Griffin lens has been exhaustively researched and clinically tested by a number of ophthalmologists and optometrists, including some of the country's foremost authorities on corneal pathology. The lens has been used as a moist corneal soft-protective bandage and splint...
Crude Beginnings. In spite of the physical differences, such sensitive radio telescopes operate much like their optical cousins. Instead of gathering ordinary light, they use their big reflectors to capture the radio energy from the invisible part of the electromagnetic spectrum. The curved surface of the antenna acts just like...