Group 1 - Recent reports indicate that some student notebooks on the market do not meet D65 brightness and D65 fluorescent brightness standards, leading to concerns that "anti-myopia" notebooks may actually harm students' eyesight [1][10] - Two companies in Hunan province have initiated a recall of over 110,000 affected notebooks, offering free replacements [1][2] - The Hunan Market Supervision Administration confirmed that Shaodong Education and Science Paper Printing Co., Ltd. is recalling 25,000 notebooks produced between October 12 and October 25, 2020 [2][6] Group 2 - Hunan Huanmei Paper Co., Ltd. is also recalling 92,700 notebooks produced between June 5, 2024, and March 3, 2025, due to non-compliance with brightness standards [7][9] - The recalled notebooks may cause visual fatigue, retinal damage, or induce vision decline due to non-compliance with GB 40070-2021 standards [10][11] - The national standard requires that the D65 brightness of student notebooks should be no less than 55.0% and no greater than 85.0%, while D65 fluorescent brightness should not exceed 5.0% [13][34] Group 3 - Testing revealed that notebooks with excessively high D65 brightness can lead to visual fatigue and negatively impact eyesight over time [16][20] - Notebooks with low D65 brightness can also hinder reading and affect vision negatively [22][19] - The presence of fluorescent whitening agents in notebooks can cause allergic reactions and may have adverse effects on eye health [30][31] Group 4 - Office printing paper was found to have D65 brightness levels exceeding 100%, which is above the acceptable limit of 95.0% for such products [34][32] - Experts recommend that parents choose printing paper that meets student use requirements to avoid potential negative impacts on children's eyesight [34][36]