Earth Day celebrates our beautiful planet and calls us to act on its behalf. Some people spend the day planting flowers or trees. Others organize neighborhood clean-ups, go on nature walks or make recycled crafts. Readers will discover how a shared holiday can have multiple traditions and be celebrated in all sorts of ways.

Two well-respected eyecare specialists, Dr. Walter J. Zinn and Dr. Herbert Solomon, offer important tips and sound medical advice on how to prevent, treat or correct eye-related problems for the visually-dependent 1990s. Computers at work and home, video games, cable-TV, CD-ROM and all the high-tech equipment available today may produce a lot of fun and communicate plenty of information, but they create one negative side effect: eye strain. This book authoritatively offers the best defense, with timely suggestions on how to maintain better eyesight. Written in easy-to-understand language, you will learn of the latest treatments, surgeries and eyewear available.

Examining established and emerging treatments for the correction of hyperopia and presbyopia, this reference offers guidance on technologies such as thermal or conductive keratoplasty, corneal implants, laser scleral relaxation, scleral expansion rings, intraocular lenses, and LASIK modifications.

Archival snapshot of entire looseleaf Code of Massachusetts Regulations held by the Social Law Library of Massachusetts as of January 2020.

Archival snapshot of entire looseleaf Code of Massachusetts Regulations held by the Social Law Library of Massachusetts as of January 2020.