Red eyes are common and can be due to several things. For example, it may be due to inflammation or superficial bleeding in the eye. Usually, the trouble goes away by itself but sometimes you may need treatment.
Sjogren’s syndrome is a disease that mainly means that you become very dry in the eyes and mouth. It is an autoimmune disease, which means that the immune system attacks its own tissue. The disease persists throughout life, but there are treatments that relieve the hassle.
Your eyes can be damaged by bright light. For example, if the sun is shining brightly on snow, sea or white sand. It’s called being snow blind. The eyes can also be damaged if you look directly at a welding flame. Then it is called a welding glare. The trouble usually goes by itself.
A cradle can be formed when a sebaceous gland becomes inflamed. It can feel tender and scratching at the eye. Sometimes the eyelid can become swollen and red. The quail usually disappears by itself without treatment.
It is common for children to get eye inflammation, often in connection with a cold. For the most part, it goes away within five days without treatment with any drug.