Spaying removes both the uterus and both ovaries and is crucial in the prevention as well as the treatment of mammary cancer. SIMPLE CONVENIENCE. The female dog comes into heat every 8 months or so. There is a bloody vaginal discharge and attraction of local male dogs.
Tired eyes can come from any number of activities. Some of the most common include working on the computer for too long, poor lighting conditions, driving a car for prolonged periods of time, reading for long periods, or any other activity that may require the eyes to maintain intense focus for long periods of time.
Signs and Symptoms of Eye Strain. Eye strain symptoms will not be present when you wake up in the morning nor be accompanied by ultra-sensitivity to light. Eye strain symptoms also tend to worsen when visual tasks like reading are performed. Eye strain caused by computers has become exceedingly common and today eye strain affects mostly computer users. More than 50% of computer users complain of eye strain symptoms. They stare at a screen for hours a day, usually in one position. People who read a lot, watch television for long periods, spend time outdoors in the glaring sun or drive long distances are also at risk of developing eye strain symptoms .