One drawback to performing the butterfly method is the ________.

Acyclovir is classified as an

antifungal antiviral antibiotic antidepressant

Symptoms of retinal detachment include ____. 

A. red, itchy eyes and a crust that develops on the eye during sleep B. pain or discomfort in one or both eyes C. flashes of light or floating black shapes and progressively blurred vision D. a red, painful swelling on the edge of the eye with a whitehead of pus E. loss of vision at the center of an image