A real estate agent is a term used by many that describe a person or an organization whose business is marketing a real estate to their clients. Either they locate some sellers who hope to sell, or they situate a buyer who wishes to buy.
Whenever someone commits a crime and is required to appeal in court, they are needed to locate a lawyer or if cannot afford then assigned a lawyer. Not only in crime cases but almost all cases that need to be appealed in court is required a lawyer.
Optometrists are those who are in a line of work that concerns with the eyes including the vision of the eyes, visual systems. They are the ones who prescribe your glasses, treat eye diseases and vision problems. Although they are not allowed to perform surgery, they are the ones who offer pre or post surgical care to the patients.