Main causes of pink eye
Viral Infection: The most common cause of pink eye is viruses (Adenovirus). It spreads very quickly from one person to another.
Bacterial Infection: Pink eye caused by bacteria causes pus to form in the eye. It is seen when the eyelids are stuck together when you wake up in the morning.
https://youtu.be/-2heUxClz74
Allergic Conjunctivitis: Allergies to dust, pollen, pet dander, and certain types of perfumes can cause itching and redness in the eyes. It is not contagious.
Chemicals: Chlorine in swimming pools, smoke in the air, pollution, and some types of shampoos or soaps can accidentally get into the eye.
Symptoms:
Severe redness in the eye.
Watery or pus-filled eyes.
Eye discomfort and itching.
https://youtu.be/-2heUxClz74
Difficulty looking at light.
Feeling like there are grains of sand in the eyes.
