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 Diego Country Estates, California. San Diego Country Estates, commonly referred to as the Estates, is an affluent valley resort populace composed of several neighborhoods associated with the unincorporated community of Ramona, California. The Estates are a census-designated place in North County, a region of the San Diego metropolitan area. The Estates is just east of the North County city of Poway and southeast of Ramona; 38mi northeast of San Diego and 46mi from the regional center of Carlsbad.