The cost of goods sold (COGS) is the allocated overhead involved in producing or acquiring goods that you sell. COGS is sometimes referred to as the cost of sales or cost of services. Included in this amount is the cost of the items utilized plus the direct labor costs to produce each of those items.
An ophthalmologist is a medical doctor who is specialized in eye and vision care. In order to become an ophthalmologist, acquisition of an M.D. or a D.O. (doctor of osteopathy) degree is necessary following the completion of college.
All are eye care professionals, but only an ophthalmologist is a medically trained specialist. Optometrists examine eyes, give advice on visual problems, and prescribe and fit glasses or contact lenses. If eye disease is detected, an optometrist will refer patients to an ophthalmologist for further management. In certain circumstances, ophthalmologists and optometrists work collaboratively in the care of patients, especially those with chronic eye diseases. 5 years at university leading to a degree in optometry.