When reading a novel, the eyes needed to focus on understanding the plot and the development of the characters. If the novel is too complicated or the plot is full of climaxes, the eyes need to consume more energy to maintain focus. In addition, staring at the electronic screen for a long time may cause fatigue and discomfort to the eyes, resulting in blurred vision. In order to protect your eyes, it is recommended to maintain an appropriate distance and posture when reading and to rest your eyes regularly. In addition, he could adjust the difficulty and complexity of the novel to reduce the burden on his eyes. You can also try to do eye massage or eye exercises to relieve eye fatigue before reading.