fangal infection Iam cleaning my eyes with OPTERX...

what are the causes of eye fungal infection ?
its highly rare to get a fungal eye infection , and usually its caused by injury and exposure to contiminated surface 
what to do next :
- consult an opthalmologist 
- doctor will do eye test , and will do swab test 
what is the treatment options ?
- topical antifungal eye drops such as :
1. Natamycin
- oral or IV antifungal medications such as : 
1. amphotericin B
2. fluconazole
3. voriconazole
- in severe cases , surgical option may be needed