让“电子黑板”更好用、用得好（百姓关注）

Core Viewpoint - The rapid adoption of electronic blackboards in primary and secondary schools across China has raised concerns regarding their impact on students' eyesight and overall learning quality, prompting calls for a return to traditional blackboards [1][2][3][4] Group 1: Adoption and Usage Issues - Electronic blackboards have surpassed computers and projectors in terms of installation rates in schools, but many parents and students report issues such as poor quality, excessive usage time, and improper use [1][2] - A survey revealed that electronic blackboards are often used for extended periods beyond the recommended 30% of total teaching time, contributing to students' eyesight problems [2][4] - Some schools have reported malfunctioning electronic blackboards that remain in use, further exacerbating the issue of visual strain among students [2][3] Group 2: Educational Impact and Recommendations - While electronic blackboards can enhance interactive learning and improve teaching quality, improper usage, such as small font sizes and rapid transitions between slides, can hinder students' ability to absorb information [3][4] - Experts suggest that schools should implement measures to reduce screen time, optimize classroom lighting, and ensure proper equipment quality to mitigate the negative effects on students' eyesight [4] - There is a call for the establishment of national standards and regulations for the use of electronic teaching devices to ensure effective integration of technology in education [4]