This research was also able to identify a number of things that patience is not; specifically, patience is not just the opposite of impatience, delay of gratification, or self-regulation of emotion. The evidence for the effects of patience, though limited, seems to reflect both positive and negative outcomes.
Using the same method, in 1999â2004, myopia prevalence was estimated to have climbed to 41.6%. A study of 2,523 children in grades 1 to 8 (age, 5â17 years) found nearly one in 10 (9.2%) have at least â 0.75 diopters of myopia.
In general the younger you are that myopia begins to develop, the higher the level of myopia you will reach. For some people their myopia reaches a certain level and stays the same for many years. Causes of myopia. Itâs not known what causes myopia and research suggests there could be a number of different reasons for it to develop. Myopia does run in families so is thought to be partly genetic. Children who have one parent with myopia have a higher chance of developing myopia. This chance increases if both parents have myopia.