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.
What is Ophthalmology? (Opthalmology) Ophthalmology is the medicine discipline which deals with the anatomy and diseases of the eye. An âophthalmologistâ refers to a specialist in both medical and surgical eye problems, as ophthalmologists perform operations on eyes.