Computer Vision syndrome is the most common problem faced by software engineers and others who work on computers. Signs and Symptoms of CVS: 1. Red, watery, irritating eyes. 2. Tired, aching or heavy eyelids. 3. Problems with focussing, objects seem blurred. 4. Muscle spasms of the eye 5. Headache 6. Backache Cause for CVS: Continuous flexing of the eye’s focussing muscles creates fatigue and the burning tired-eyes feeling. How to prevent Computer vision syndrome: 1. Use computer eyeglasses. An anti-reflective coating (AR) is also highly recommended. 2. Place the computer terminal below the level of your eyes. 3. Constant conscious blinking when working on computers can help to make the eyes comfortable. 4. Remember the 20-20-20 rule. Every 20 minutes, one should look away from the screen into the distance (20 feet) for 20 seconds to rest the eye muscles. Ideal computer setting: 1. The working distance from the eye to screen should be set between 20 inches and 26 inches. 2. Viewing angle for the screen should be 10 degrees to 15 degrees below straight ahead gaze position. 3. Room lighting should be free of glare. 4. Place computer screen at 90 degree angle to windows whenever possible. Reduce room lighting so that screen brightness and contrast can be reduced to comfortable levels. Source: Indian E xpress … [Read more...]
Stomach bloating – Causes
Bloating of stomach is mainly due to irregular diet habits. These diet habits produce gas at higher rate than normal. Distension of abdomen is mainly due to Irritable Bowel syndrome (IBS), an intestinal disorder of unknown cause, produce gas which in turn causes Bloated Stomach. Causes of Stomach bloating (Abdominal Distension): 1. Before menstrual cycle in females (Pre-Menstrual tension) : The symptoms are Swelling of the body [due to water retention] Tightening of legs and hands [Here the intestines are not involved]. Hormones play role to bring the fluid levels in the body to the balanced level in the body. 2. After taking food: If there is distension of the abdomen [stomach], that means there is disturbance in the digestive process in the intestines. If the food is taken in haste, the pressure in the stomach increases and production of gasses also begin to increase. 3. The buffalo’s milk: There is deficiency of enzyme, “lactose” in people of Asia, Africa and Latin Americans. This deficiency of enzyme leads to bloating of abdomen. The action of lactose is to break the sugar present in the milk. 1 OZ (28ml) of undigested milk of produces 1 gallon of gas. 4. Cereals: Wheat produces distension of stomach. Bread also causes stomach bloating. A protein called ‘GLUTEN’ produces burning sensation and leads to production of excess gas. If it is mixed with yeast, it gives more trouble. [1 in 6 persons are allergic to yeast]. 5. Antibiotics: They destroy the harmless bacteria … [Read more...]
