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.
convergence excess. Convergence excess is an over-convergence of the eyes at a near distance for extended periods of time, such as when reading, writing, drawing, or viewing a computer screen. Sometimes, the over-convergence can result in diplopia (double vision).nce a diagnosis of convergence insufficiency has been made, a simple visual therapy technique that may be helpful is pencil pushups. 1. Hold a pencil at arm s length, with the eraser about level with the tip of your nose.