Eye or Vision Anatomy of the eye- Eye is the organ of sense for sight ,which situated in the orbital cavity or eye socket Eye is the the spherical shaped organ in the sense which is help in vision or sensory vision . It's about 2.5 CM in diameter and three layers of the eye are completely covered There are three layer is- 1.Outer layer or tunica fibrous 2.Middle layer or tunica vasculosa 3.Inner layer or Tunica Nervosa 1.Outer layer or tunica fibrous- - Outer layer consists of two structure cornea and sclera . It is outermost avascular layer of eyes which preserve the shape of eye , A nteriorly consists of cornea and posteriorly consists of sclera. A. Cornea - Cornea is the outermost part of the eyes which is anteriorly transparent Court over the coloured Iris . cornea is convex cornea is convex,anteriorly light rays enter into the eyes through the cornea to focus on the retina . structurally cornea c...
Eating disorders Anaroxia And bulimea Nervosa eating disorder-:: eating disorder is characterized by abnormal patterns of eating. there are two types of eating disorder (1) bulimia nervosa (2) anorexia nervosa (A) anorexia nervosa -:: definition -:: anorexia is a eating disorder that is characterized by low intake of food then normal due to fear of obesity ,,weight gaining and drive for thinness . it is very common in adolescence girls. (B) etiology -:: 1. social factors -:: influence of mass media ,, beauty contests,,, modeling,, advertisement 2. family factors -:: overprotection,,,, no interest in food 3. psychological factors -:: negative attitude for own body,, low self esteem,, excessive perfectionism 4. biological factor -:: disturbance and hypothalamus function (C) clinical features-:: fear of obesity,, body image disturbance,, very low weight,, prone for infection,, constipation,, dehydration,, hypokalemia,, amanora in the female,, malnutrition,, dental caries,, chronic in...