The eye must be able to change its refractive properties to focus images of both distant and nearby objects on the retina. Distant objects (greater than 30 feet or 9 meters away from the eye) emit or reflect light that can be focused on the retina in a normal relaxed eye (Figure 14.8).
Ramona is a census-designated place (CDP) in San Diego County, California. The population was 20,292 at the 2010 census. The term Ramona also refers to an unincorporated community (with some plans to incorporate) that includes both the Ramona CDP and the adjacent CDP of San Diego Country Estates.
San Ramon, CA. Online Offers. San Ramon (Spanish: San RamÃ³n) is a city in Contra Costa County, California, United States. It is a suburban city of the San Francisco Bay Area, and lies in the San Ramon Valley. San Ramon's population was 72,148 as of the 2010 U.S. Census making it 4th largest city in Contra Costa County, behind Richmond, Concord and Antioch. San Ramon is headquarters of Chevron Corporation and 24-Hour Fitness, the West Coast headquarters of AT&T, as well as home to San Ramon Medical Center.