\(power \ of \ a \ lens \ (D) = \frac{1}{focal \ length \ (m)}\) A lens has a power of -3.33 dioptres. Calculate the focal length and state what type of lens it is.
The Mojo smart contact lens, due to ship within the next few years, boasts 14,000 pixels per inch packed into a sand-grain-sized display that beams directly into your eyes’ fovea, the tiny part in the ...
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