http://www.sciencedaily.com/releases/2015/08/150831144103.htm
The genetic association that has been discovered is for a tendency to develop shortsightedness in the teenage years if the individual spends significant amounts of time reading.
http://www.sciencedaily.com/releases/2015/08/150831144103.htm
The genetic association that has been discovered is for a tendency to develop shortsightedness in the teenage years if the individual spends significant amounts of time reading.