![Hoya Lens India on X: "Dark mode can somewhat reduce eyestrain, but it is not enough to protect your eyesight. Wearing HOYA's Blue Control Lens provides that extra bit of comfort and Hoya Lens India on X: "Dark mode can somewhat reduce eyestrain, but it is not enough to protect your eyesight. Wearing HOYA's Blue Control Lens provides that extra bit of comfort and](https://pbs.twimg.com/media/FobOzwvakAYNPpN.jpg)
Hoya Lens India on X: "Dark mode can somewhat reduce eyestrain, but it is not enough to protect your eyesight. Wearing HOYA's Blue Control Lens provides that extra bit of comfort and
Gray & Bull on X: "Discover the benefits of Hoya's BlueControl lens coating. #hoya #reduceeyefatigue @grayandbull http://t.co/Mjcw9ZA5QJ" / X
HOYA Lens New Zealand - FREE Upgrade* to BlueControl If you purchase new glasses by 30 June 2017 you may be eligible for a FREE BlueControl upgrade* on your lenses. BlueControl is
![Hoya Lens India on X: "Blue light emitted by digital gazettes could cause eye strain, watery eyes, blurry vision and damage to the retina. BlueControl lenses from Hoya stops blue light from Hoya Lens India on X: "Blue light emitted by digital gazettes could cause eye strain, watery eyes, blurry vision and damage to the retina. BlueControl lenses from Hoya stops blue light from](https://pbs.twimg.com/media/FC_2nKvXsAAfj-y.jpg)