This provides an ideal region for pathogens to reproduce. Also, the viral causative agent for the cold may attack the eye area leading to inflammation. Age is significant. Babies have underdeveloped ducts which are not yet able to cope with all the normal eye secretions. This leads to increased potential for bacterial growth.
Sticky eye is very common in infants.
As the body ages, these ducts may become partially blocked and conjunctivitis is frequently seen in the elderly. Previous history of eye drainage problems is also significant. Allergic conjunctivitis may be the result of many agents. Identification of the specific agent may prove impossible. The condition usually is of short duration and low intensity.