Hello
This power is very small....if there is no headache or visual problem then you can avoid this
Photochromatic or blue cut depends on your requirement.
If you have outdoor work and are more exposed to sunlight then photochromatic is preferable.
Blue cut glasses are advised to people who work a lot on screen like mobile and laptop as these glasses cut harmful blue rays from light entering your eyes
Answered2018-11-23 02:47:59
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