With VR being available via mobile devices, PC and now Playstation via the PSVR we questioned Specsavers the opticians could they have side effects when using, and do some damage to your eyes, their answer was this
Hi Craig, As VR headset technology is relatively new it is not yet possible to say whether it could have any long term visual implications for users. However, it would be reasonable to expect that in the short term, use of VR devices for prolonged periods could result in symptoms such as eye strain, blurred vision, headaches and dry eye. The likelihood of developing these symptoms could be reduced by the user taking regular breaks and should resolve fairly quickly after the user stops using the device.
Here is proof, to show it’s not fake;