Question

what is harmful of smartphone​

Answer 1

Answer:

Short wavelength blue light emitted by smartphones and other types of screens can cause health effects like eye strain and pain. This type of light may even damage the cornea and impact vision. ... If you experience eye strain, pain, or vision problems related to smartphone use, minimize your use of these devices.

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Answer 2

Short wavelength blue light emitted by smartphones and other types of screens can cause health effects like eye strain and pain. This type of light may even damage the cornea and impact vision. ... If you experience eye strain, pain, or vision problems related to smartphone use, minimize your use of these devices.