Report Abuse. Yes, I'm sorry but they eat blood. That's why they are usually found on the scalp and not in the lengths of the hair. Yes it's very common for kids of all ages to get them I suggest you keep your hair bunched when with your nieces.
Convergence insufficiency is a difficulty or inability of the eyes to converge and work together at a near distance for extended periods of time, such as when reading, writing, drawing, or viewing a computer screen.
From Wikipedia, the free encyclopedia. Convergence insufficiency or convergence disorder is a sensory and neuromuscular anomaly of the binocular vision system, characterized by a reduced ability of the eyes to turn towards each other, or sustain convergence.rom Wikipedia, the free encyclopedia. Convergence insufficiency or convergence disorder is a sensory and neuromuscular anomaly of the binocular vision system, characterized by a reduced ability of the eyes to turn towards each other, or sustain convergence.