Got cold in eyes means conjunctivitis generally speaking. There are totally three types of conjunctivitis, bacterial, viral and allergic conjunctivitis. And cold eye refers to viral conjunctivitis specifically. It is the most common case of conjunctivitis, which is caused by transmission of virus during or after getting a cold or upper respiratory infection. Because the symptoms are similar to cold, so it gets the name eye cold. It is acute eye infection, with symptoms like watering, itching, redness and increased sensitivity to light. The most common cause for eye cold is the pathogen family, such as herpes simplex, the influenza virus and etc. It is strongly contagious. Direct contact with infected person would make the people infected. Sharing towel or toilet, or just drink from the same glass is very dangerous. Common conjunctivitis usually last for days. Allergic conjunctivitis might go very soon as long as if you are out of touch with allergen. But as to viral conjunctivitis, especially caused by herpes, it could last for months. Be careful.
