Because redness appears on the side of the left...

What is the possible cause of your medical condition ?
1. eye inflammation
2. allergic reaction
3. eye infection
4. eyes over-itching
5. dry eyes 
6. medication side effects 
what are the possible accompanied symptoms 
1. plenty of tears 
2. eyes infections 
3. eye reddness
4. swelling of eye 
5. dryness of skin arounds eyes 
What are the treatment options for eye redness ?
- first you have to consult an opthalmolgy doctor to do the needed medical examination and determine the treatment pathway
- treatment options are 
1. artificial tears eye drops 
2. antibiotics eye drops such as natamycin
3. dexamethsone eye drops to relieve the inflammation 
Needed medical examination ?
1. clinical examinations 
2. eye sight test