介绍了Ｉｎｔｅｒｎｅｔ的基本功能：电子邮件，新闻组，通信讨论组，文件传输协议，远程登录，校园信息服务系统，全球信息网的基本概念和应用条件。重点介绍了与眼科学有关的Ｉｎｔｅｒｎｅｔ网址，并举例说明了如何通过这些网址获取眼科学的信息。 Introduced the basic functions of Internet: e-mail, newsgroups, communication discussion groups, file transfer protocols, remote login, campus information service system, the basic concept of global information network and application conditions. Highlights Internet-related ophthalmology Web sites and provides examples of how ophthalmological information can be obtained through these Web sites.