Case: Red Eyes (C)

Read the following description and then answer 6 questions about this optometry case. You'll receive the answers and explanations after you've responded to all the questions. Good luck! 

A 63-year-old female patient presented at the optometrist's practice with redness in both eyes and slightly swollen eyelids. The patient disclosed that she had attended a party and had used some old eyelid cosmetics she found in her closet, suspecting they might cause her eye discomfort. Upon examination, her visual acuities were measured at 6/10 in both eyes.