Search results

...omes and ferries them away in the night. Leave out towels for the fairy to use on any larger screens. ...artphones. I feel the pull, after a few hours all I want is the warm glow of my laptop screen. Odds are that you too are in a similar boat.}}<ref>https

...of reader and student stories (well worth joining there as well, also free of course). ...ently there is no guaranteed way to do so. The reason for all this hiding of BackTo20/20 from the general and casual reader public is that I’m still p

...ptical power] P of a [[ lens ]] (or mirror) and is equal to the reciprocal of the [[ focal length ]] in meters . The most common unit symbol for diopters ...measurement ]] to calculate the diopters needed to correct [[ refraction]] of the eye. If you can see clearly at 50cm, your diopters will be <math> - \fr