Friday Pop Quiz 11/21/2025
After treating this patient with Onabotulinumtoxin-A, they return to clinic complaining of their right upper eyelid drooping and interfering with their vision. What is the mechanism of action of the medicated eye drops which has been shown to be beneficial when this adverse effect occurs?
A. Alpha agonist which results in contraction of the superior tarsal muscle
B. Alpha agonist which resul …
After treating this patient with Onabotulinumtoxin-A, they return to clinic complaining of their right upper eyelid drooping and interfering with their vision. What is the mechanism of action of the medicated eye drops which has been shown to be beneficial when this adverse effect occurs?
A. Alpha agonist which results in contraction of the superior tarsal muscle
B. Alpha agonist which resul … 
BACKGROUND
The upper lateral cheek bears unique and distinct local characteristics that are key features in facial aesthetics and functionality. Its main landmarks are the lower eyelid, the lateral canthus, and the temporal hairline. When contemplating treatment options for defects in this area, the surgeon should take into consideration the possible effects of the reconstructive method on the pr … 
Several media outlets have covered the case of a popular blogger who recently experienced eyelid ptosis from botulinum toxin injections. How can dermatologists avoid adverse effects when injecting botulinum toxin?
For an expert opinion I contacted Dallas dermatologist Elizabeth Bahar Houshmand, MD, FAAD.
What does the scientific literature say about the frequency of eyelid ptosis as an adv …