“Herman ___, Dutch ophthalmologist known for his visual acuity testing”

Grappling is used in this

Ones who handle minor health problems?

Dessert introduced to the U.S. in the 1780s, after Thomas Jefferson discovered it in France

Like someone in pointe shoes, maybe

___-di-dah

Say "hey," slangily

They're at the tops of some ladders, informally

Offering that's fresh off the press?

Pyroclastic material