Effect of illuminance and colour temperature of LED lighting on asthenopia during reading.

Yilin Chen Tianju Ma Zi Ye Zhaohui Li

Published in: Ophthalmic & physiological optics : the journal of the British College of Ophthalmic Opticians (Optometrists) (2022)

LED illuminance and CCT do have a significant effect on asthenopia during reading. 500 lx-4000 K lighting resulted in the lowest level of asthenopia. Conversely, low illuminance at low CCT (300 lx-2700 K) and high illuminance at high CCT (1000 lx-6500 K) promoted more severe asthenopia.

Keyphrases

working memory
early onset