This theory is labeled the stages of psychosocial development and is characterized as a series of psychological stages that have a basic conflict and important event leading to growth. The theory was developed from his hundreds of clinical observations in children. Erikson identified eight stages of psychosocial development in an individual. 1  Characteristics of these stages include: 2  Each stage unfolds from the preceding stage in a particular sequence. 3  Each stage involves an ever-widening involvement with others.
Ophthalmic assistants help ophthalmologists care for patients by taking histories, performing various procedures and tests, and preparing patients to see the doctor. Their work provides the ophthalmologist with important information to help diagnose and treat patients.
Although both the ophthalmoscope and otoscope are available as a hand-held device similar in size to a flashlight, there is an additional type of ophthalmoscope that is worn on the physician's head. This instrument is called an indirect ophthalmoscope, and it allows the physician to check the fundus while using a separate lens.