#4 should have read IF it is infections.
Transmission is from contact with tears. Do not use same towels and avoid contact that may transmit tears.
Dr. O.
i forgot to ask the ways of transmission . than you for your response
1) Many causes from infections, trauma, contact lens wear, dry eye, etc. This is a non specific term--means inflammation of the cornea. 2) Irritation, blurred vision, redness, photophobia, etc, 3) Depends on the cause. 4) Yes, it it is infectious.
Dr. O.