Back to Health Risk Assessment â Body Composition Because water is contained primarily in fat-free tissues - the muscles - the percentage of total body water can vary widely between individuals. Those with a high percent body fat can be as low as 40% total body water, while very lean individuals and athletes can attain 70%. Water is the essential component of all vital fluids and the medium of transport in every biological exchange.
Definition of ophthalmology. : a branch of medical science dealing with the structure, functions, and diseases of the eye.
Jobs for Doctors in Ophthalmology. Ophthalmology involves the care of eye conditions in patients of all ages from premature neonates right through to the elderly. Ophthalmologists specialise in the diagnosis and management of medical conditions affecting the eye, orbits, and visual pathways. More than 50% of new ophthalmic referrals present with a medical rather than a surgical problem, so medicine comprises a large portion of the workload in ophthalmology.