Dyspepsia, the classic symptom of peptic ulcer disease, is defined as pain centered in the upper abdomen or discomfort characterized by fullness, bloating, distention, or nausea. Symptoms may be chronic, recurrent, or new. Dyspepsia is a common clinical problem that may be seen in 25% to 40% of adults.
Eye infections can affect any part of the eyes, from the eyelids to the cornea, and even the retina in the back of the eye. Eye infections are so common that most of us either have had an eye infection or know someone who has had one. Eye infections can be bacterial, viral, or fungal. People who wear contact lenses are particularly susceptible to eye infections due to the decrease in oxygen reaching their corneas and due to bacterial or fungal buildup caused by failure to properly disinfect their contact lenses.
1 Besides common pink eye, other viral eye infections include ocular herpes, which occurs with exposure to the Herpes simplex virus.  Fungal keratitis. This type of eye infection made worldwide news in 2006 when a contact lens solution now withdrawn from the market was linked to an outbreak among contact lens wearers. The fungal eye infection was associated with Fusarium fungi, commonly found in organic matter.