With the continued aging of the population an increasingly important influence on optometric practice, the low vision chapter (now entitled Geriatric Optometry and Vision Impairment) now includes greatly expanded discussions of age-related changes in refraction, visual acuity, binocular vision and ocular health. The comprehensive coverage of binocular vision problems, contact lens practice, optometric co-management, geriatric optometry, and vision impairment make this the ideal text for both introductory and advanced courses and a useful reference for the established practitioner.