what the hell is a nug i keep hearin people say it but i dunno what it means. im good on most other words its just this one i got trouble with.
Other causes of corneal ulcers include: Abrasions or burns to the cornea caused by injury to the eye. Scratches, scrapes and cuts from fingernails, paper cuts, makeup brushes and tree branches can become infected by bacteria and lead to corneal ulcers. Burns caused by caustic chemicals found in the workplace and at home can cause corneal ulcers.
If your doctor suspects that bacteria are the cause of your corneal ulcer, usually treatment includes frequent application of topical antibiotics, with or without initial cultures. The location and size of the ulceration will guide your eye doctor in determining the need for cultures.ost cases of corneal ulcer are due to a bacterial infection that invades the cornea  often following eye injury, trauma or other damage. A corneal ulcer can result from an infection following damage from an eye injury or irritation from an ill-fitting or dirty contact lens.