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.
âThere are tiny muscles inside your eyeball that change the shape of your eyeâs lens in order to bring whatever youâre seeing into focus,â Dunaief explains. After hours of sitting in front of your computer screen, those muscles can grow tired from focusing on a single fixed point. âIn some cases, those muscles become so fatigued that your eyes can no longer focus,â Dunaief adds. He says research has also shown that when reading or working online, people tend to blink less.