Metastatic breast cancer is the advanced stage of cancer, which is also known as stage 4 cancer. Metastasis means cancer has spread beyond the area that it originated from. In the case of breast cancer, it means that cancer has spread beyond the tissues of the breast and reached other parts of the body.

Our eyes need adequate lubrication and moisture to remain hydrated. A lack of it can lead to dry eyes. This lubrication is provided by basal tears that keep the cornea moist with every blink of the eye. Basal tears provide liquid protection to the eyes from the outer environment as well as nourish the eye cells.

Multiple sclerosis is a chronic autoimmune condition that impacts the central nervous system. In this condition, the myelin, which acts as a protective sheath, is attacked by the immune system, causing the brain to not communicate with the rest of your body. Being a potentially serious disease, it can cause the deterioration of nerves, leading to permanent damage.

Tears are made up of water, oils, mucus, and antibodies that are secreted by a gland around the eyes called the lacrimal gland. Tears keep the eyes moist and lubricated while preventing them from infections. Reduced production of tears can lead to the condition of dry eyes, which causes itching, redness, blurred vision, and light sensitivity.

Multiple sclerosis is a neurological disorder where the immune system mistakes the myelin as an enemy and tries to destroy it. Myelin, a protective cover that insulates the nerve fibers, is responsible for sending electrical signals from the brain to the other parts of the body. The condition is autoimmune in nature and cannot be cured.

Eczema is a group of skin conditions with symptoms such as itchy, inflamed cracked, rough, and reddish skin. Sometimes, patients may also develop blisters due to this skin problem. One of the most common kinds of eczema is atopic eczema or atopic dermatitis. There are numerous eczema creams available in the market to treat this condition.