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.
(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.The word âophthalmologyâ has Greek, as âophthalmosâ means eye and logos means a word or a thought. Thereby ophthalmology can literally be translated as âthe science of eyesâ.As a discipline, it applies to animal eyes also. However, veterinary medicine is regulated separately in many countries and states. Medical retina,which deals with treatment of retinal problems through non-surgical means. * Neuro-ophthalmology. * Pediatric ophthalmology/Strabismus (mis-alignment of the eyes). In america, certification by the American Board of Ophthalmology is a voluntary process.