whats the cause of a grey ring around the pupil in a 6 year old child, thats causing alot of itching and whitish

Question: whats the cause of a grey ring around the pupil in a 6 year old child, thats causing alot of itching and whitish substance on the eyes in the morning after waking up.
- Keywords:
  eye itching
Asked by 635green25 to Munga, Mary, Loice, George, George, Diana on 28 May 2019.
- Mary Kaniu answered on 28 May 2019:
  
  This could be due to an infection -the best thing to do is take the child to a hospital for them to be examined by a doctor and get treated promptly

Question: whats the cause of a grey ring around the pupil in a 6 year old child, thats causing alot of itching and whitish substance on the eyes in the morning after waking up.