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.
It is usually easy to pinpoint the cause of your tired eyes. Here are a few common reasons for swollen, droopy eyes and heavy eyelids: 1  Too little or too much sleep. 2  Prolonged staring at digital devices (computer screens, smartphones, video games); this is known as Computer Vision Syndrome. For computer users: try placing the screen 20 â 26 inches away from your eyes and a little below eye level. 2  Regularly clean dust and fingerprints from the screen, and consider using a glare filter over your screen. 3  Adjust the lighting in your office or room to find a level that is comfortable for you.