multiple strengths, so your eyes can focus optimally at different distances for reading,
working on your devices or computer, and interacting with others. Choose the reading
strength that you normally use for reading. The reading strength is strongest on the
bottom of the lens and decreases to half the strength at the top of the lens.
. Reading (bottom of lens is 100% full Power)
. Computer (middle of lens is slightly less power)
. Interacting (top of lens is 50% of full power)